Delta PG PLUS-25 manuale d’uso

W arranty Registration Card must be filled out by the customer and mailed within thirty (30) days of installa - tion in order to gain warranty coverage. When receiving the Delta Performance unit, any claims for damage or shortage in shipment must be filed immediately against the transportation company by the consignee. Leave all documentation recei[...]

T able of Contents i PRODUCT AND SAFETY INFORMA TION Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Product W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Operating Restrictions . . . . . . . . . . . . . . . . . . . . . . . .[...]

T able of Contents ii U-T ube Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-16 Domestic Drain V alve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Multiple Units Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16[...]

iii T able of Contents SECTION VII - GAS PIPING Gas Supply Piping Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Natural Gas Pipe Sizing -Natural Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Natural Gas Supply Pressure Requirements . . . . . . . . . . . . . . . . . . . 38 Propane Gas [...]

iv T able of Contents SECTION XI - ST AR T -UP PROCEDURES Final Checks Before Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 PERFORMANCE PLUS Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 If PERFORMANCE PLUS Does Not Start Correctly . . . . . . . . . . . . . . . . . 51 Check the PER[...]

v T able of Contents Inspection of Ignition Electrode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Check Ignition W iring and Ground W iring . . . . . . . . . . . . . . . . . . . 61 Check Control W iring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Check Thermostat Limit Settings . . . . . . . . . . . . .[...]

Pr oduct & Safety Information 1 Indicates the pr esence of a hazardous situation which, if ignor ed, will result in death, serious injur y or substantial pr operty damage. Indicates a potentially hazardous situ - ation which, if ignor ed, can r esult in death, seri ous injury or s u b s t a n t i a l pr operty damage. Indicates a potentially ha[...]

Pr oduct & Safety Information 2 Ba cter ia c an dev el op in the d om estic w a t e r sy stem if cer tain m inimu m wat er t e m p e r a t u r es a re n ot mai ntain ed. W ater temperature over 125ºF can cause s e v e r e b u r n s i n s t a n tl y o r d ea th f r o m scalds. • Children, disab led a nd elderly are at highest risk of being sc[...]

3 Pr oduct & Safety Information Do not use this appliance if any par t has been under water . Immediately call a qualified service technician to inspect the appliance and to r eplace any par t of th e con tro l s y ste m w hi c h ha s b e en under water . WHA T T O DO IF YOU SMELL GAS - Do not try to light any appliance - D o n ot touch an y el[...]

4 Pr oduct & Safety Information OPERA TING RESTRICTIONS • Maximum working pressure for inner (domestic water) tank is 150 psig. • Maximum working pressure for outer (primary water) tank is 45 psig. • I n n er t a n k h a s f a c t or y in s t al l e d T emperature & Pressure Relief V alve with an AGA rating of 100,000 Btu/hr for PG-25[...]

Pr e-Installation Items 5 SECTION I - Pr e-Installation Items Code Compliance This product must be installed in accor - dance to the following: • All applicable local, state, national and provincial codes, ordinances, regula - tions and laws. • The National Fuel Gas Code NFP A54/ ANSI Z332.1 - Latest edition. • National Electric Code ANSI/NFP[...]

Pr e-Installation Items T o pr ovide serviceability to the unit it is r ecommended that the following clear - ances be maintained: T op and vent hood ar ea - 36 inches. Fr ont and burner ar ea - 24 inches. Rear and primary piping ar eas - 12 inches. When installing the PERFORMANCE PLUS in a confined space, sufficient air must be pr ovided for prope[...]

Combustion Air and V enting 7 SECTION II - Combustion Air and V enting Combustion Air Contamination If the PERFORMANCE PLUS combus - tion air inlet is located in any ar ea likely to cause or contain contamination, or if pr oducts, which would contaminate the air cannot be removed, the combustion air must be repiped and terminated to an outside loca[...]

8 Combustion Air and V enting Combustion Air Requir ements The PERFORMANCE PLUS can use inside air if no contaminants are present in the area of installation. If contaminants are likely to be present in the area of installation, outside air must be piped directly to the unit as referenced in Section VI V enting and Combustion Air Piping. In order t[...]

9 Combustion Air and V enting - Combini ng space s o n th e same sto ry . Each open ing shall have a minim um free area of 1 sq. in./ 1000 Btu/ hr of the total input rat ing of all gas util ization equ ipment in the space, but not less than 100 sq . inches. One open ing sha ll com - men ce within 12 inches of the top, and one openin g shall commen [...]

10 Combustion Air and V enting Co m bi n a t i o n o f I nd o o r and O u t do o r Combustion Air Indoor Openings: Where used, openings con - necting the interior spaces shall comply with the Indoor Combustion Air section on page 8. Outdoor Opening(s) Location. Outdoor open - ing(s) shall be located in accordance with the Outdoor Combustion Air sec[...]

11 Combustion Air and V enting Re m o v a l o f a n E x i s t i ng Bo i l e r f r o m a Common V ent System F o r inst all ation s i n whi ch t he PER FOR - MA NCE PLUS is r ep lacin g a n exi stin g b o i l e r / h ot wat er h e a t e r system , whi ch wa s co nne cted to a c ommon v ent sy stem wit h oth er appl ian ces, th e foll owin g step s s[...]

12 Unit Pr eparation SECTION III - Unit Pr eparation Handling Instructions The PERFORMANCE PLUS is generally eas - ier to handle and maneuver once removed from the shipping carton and pallet. T o remove the shipping carton and pallet: a. Remove the shipping straps and open the top of the shipping carton to remove the wood shipment insert. b. Lift t[...]

Unit Pr eparation 13 Do not leave the unit unattended while p r essurize d. A cold water fill could expand and c ause exce ssive pr e s s u re , r esulting in sever e personal injur y , death or substantial property damage. 7. Ensure constant gauge pressure has been maintained throughout the 10 minute test. Check for leaks at all fitting joints. Re[...]

Domestic Piping SECTION IV - Domestic Piping General Piping Requirements • All plum bin g must m eet or exceed al l loca l, st ate an d n atio nal plum bin g co des. • Use p ipe dope or ta pe suita ble for potable water . • Use isolation valves to isolate system components. • In sta ll un io ns fo r eas y rem ov al of the PER FO RM AN CE PL[...]

Domestic Piping The installer must install dischar ge piping onto the T&P relief valve. The discharge piping must be: • Made of material serviceable for tem - peratures of 250ºF or greater . • Directed so that any hot water dis - char ge flows away from all persons. • Directed to a suitable place of drainage. • Installed as to allow co[...]

Domestic Piping 3. Solder the U-T ube Assembly onto the adapter . (See Fig. 5) 4. On c e t h e a d ap t e r ha s su f f i c i e n t l y cooled, re-insert the check valve assem - bly making su re of orien tatio n a nd reconnect onto the mixing valve. If the installation of the PERFORMANCE PLUS requires domestic hot water for a commercial dishwasher [...]

17 Domestic Piping TR/SMAR T Series Application For applications requiring lar ge volumes of domestic hot water over an extended period, the ins ta ller m ay i nclu de a Triangle T u b e TR/SMAR T Indirect W ater Heater in conjunc - tion with the PERFORMANCE PLUS. (See Fig. 10 page 19) The domestic system recirculation, if used, is directed to the [...]

18 Domestic Piping Fig. 7: PERFORMANCE PLUS W ith Recir culation 1. Mixing valve with check valve 2. Flow check valve 3. Shut off valve 4. Backflow preventer or pressure reducing valve* 6. Thermal expansion tank 7. Circulator (controlled by aquastat) 8. Domestic drain valve 9. V acuum breaker* Note: All shut of f valves shown in this figure must be[...]

19 Fig. 10: PERFORMANCE PLUS with TR/SMAR T Indir ect W ater Heater Fig. 9 : PERFORMANCE PLUS with Storage T ank 1. Mixing valve with check valve 2. Flow check valve 3. Shut off valve 4. Backflow preventer or pressure reducing valve* 6. Thermal expansion tank 7. Circulator (controlled by aquastat) 8. Domestic drain valve 9. V acuum breaker* Domesti[...]

20 Primary Piping SECTION V - Primary Piping General Piping Requirements Low W ater Cutof f Device - Th e P E RF OR MA NC E PL US i s eq ui pp ed w it h a f ac t ory in st al le d pr es su re s wi tc h s ty le L ow W at er Cu t O f f de vi ce . - The min im um o per at ing sy ste m p ressu re a llow ab le wi th thi s de vic e is 1 0 psi g. - Check [...]

21 Primary Piping For proper operation of the expansion tank and system, remove the factory installed autom ati c a ir v en t from the PER FO R- MANCE PLUS and plug the connection. (See Item 10, Fig. 46 page 68) DO NOT install automatic air vents on a closed-type expansion tank system. Air m us t re m a i n i n t h e s y s t e m a n d be r eturned [...]

22 Primary Piping Syst em Pi ping - Rad ian t Hea ting wit h Mix ing V a l v e Co nn ect t he PERF O RMAN CE PL US to t he sy ste m p ip ing as sh own wi th a r ad ian t s ys- tem u si ng a t her mo sta tic mi xin g v alv e a s sh own in Fig . 14 pag e 25 . The pr ima ry / sec - ond a ry pip in g en sur es s uff icien t re tur n tem - per at ur e t[...]

23 Primary Piping Near Appliance Piping 1. Appliance Circulator 2. Shut Off valve 3. Expansion tank 4. Auto fill valve 5. T ank fitting 6. Automatic air vent 7. Air Separator 8. Plug (by others) Fig. 1 1 : Near Appliance Primar y Piping with a Diaphragm T ype Expansion T ank Fig. 1 1A : Near Appliance Primar y Piping with Closed - T ype Expansion T[...]

24 Primary Piping Fig. 12: Primary piping - Zoning with Cir culators Fig. 13: Primary Piping - Zoning with Zone V alves 1. Appliance circulator 2. Shut-off valves 3. Flow check valve 4. Zone valve 5. System purge valve 6. System circulator Note: See page 23 for near appliance piping. • Install balancing valves to adjust flow to distribute heat to[...]

25 Primary Piping Fig. 14: Primary Piping - Low T emperatur e Radiant System Note: Adjust system temperature valve to establish maximum sup - ply/return temperature dif feren- t i al o f 3 0º F a n d a mi ni m u m 130ºF return water temperature to the PERFORMANCE PLUS 1. Circulator 2. Shut Of f valves 3. Flow check valve 4. Zone valve 5. Pur ge v[...]

26 Primary Piping[...]

27 V enting and Combustion Air Installation SECTION VI - V enting and Combustion Air Installation General Requir ements - Ins tal latio n mu st comply w ith loca l re qui reme nt s an d with the N ati ona l Fuel Gas Code, NFP A 54/ ANSI Z223.1 for U.S. installations and CSA B149.1 or B149.2 for Canadian installations. - The PERFORMANCE PLUS require[...]

28 V enting and Combustion Air Installation Category IV V ent T ermination Clearances Maintain the following clearances to the vent termination: - At least 6 feet from adjacent walls - No closer than 5 feet below roof over - hangs - At least 7 feet above any public walk - ways - At least 3 feet above any forced air intake (does not include the comb[...]

29 V enting and Combustion Air Installation - M u s t m a i n t ai n 4 f e e t o f cl e a ra n c e below and horizontally from doors and windows. See dimension A Fig. 17. If the venting application is a vertical direct or non-direct vent application: - The vent must terminate at least 3 feet above the roof and at least 2 feet higher than any portio[...]

30 V enting and Combustion Air Installation V enting Option - Dir ect V ent / V ertical In this vent application the PERFORMANCE PLUS is vented vertically through the roof or an unused chimney using the T riangle T ube Concentric V ertical V ent Kit. The installer should consider the following when choosing this vent option: a. The vent system shou[...]

31 V enting and Combustion Air Installation V enting Option - Dir ect V ent / Horizontal In this vent application the PERFORMANCE PLUS is vented horizontally through a wall using only approved 3-inch stainless steel vent material and using outside air for combustion. The installer should consider the following when choosing this vent option: a. The[...]

32 V enting and Combustion Air Installation Excessive Horizontal V ent Runs If maintaining the 1/4 inch per foot pitch requirement creates clearance problems with st r uc t u r a l o bs ta cle s , i .e . l o w c ei l in g s , t h e installer may opt to installing the vent in a manner that pitches up to a high point from the unit and then pitches aw[...]

33 V enting and Combustion Air Installation The maximum equivalent length is the total length of the venting and the com - bustion air inlet combined. This includes termination fittings. F o r D e lt a P E R F O R M A NC E P L U S applications that may exceed the 100 feet maximum allowable equivalent length for the venting system, contact T riangle[...]

34 V enting and Combustion Air Installation Fig . 21 : Stand ard Ho rizont al V enti ng Inst allati on Fig. 2 2: Horizo ntal - Dir ect V ent Com bina tion Fig . 22 A: Con centri c Ho rizont al V ent Instal lati on Fig. 2 2B : C oncen tric Ho r izo ntal - V ent Sn orkel I n s t a l l a t i o n[...]

35 V enting and Combustion Air Installation Fig. 24B: V ent T ermination - Non- Combustible W all Fig. 24A: V ent T ermination Combustible W all Fig. 23: Location of Air Inlet T ermination[...]

36 V enting and Combustion Air Installation[...]

37 Gas Piping SECTION VII - Gas Piping Gas Supply Piping Connection The gas supply piping must be installed in accordance to all applicable local, st a t e a n d n a ti o n a l c o d e s an d u t i li t y r equirements. 1. Remove the burner jacket hood. Refer to Figure 27 to pipe gas supply to the burner . a. Install a pipe union at the factory sup[...]

38 Gas Piping NA TURAL GAS Pipe Sizing - Natural Gas 1. Refer to T able 3 for pipe length and diame - ter requirements. Based on rated PER - FORMANCE PLUS input (divide by 1,000 to obtain cubic feet per hour). - T able 3 is based on Natural Gas with a specific gravity of 0.60 and a pressure dr op t h ro u g h t h e g a s pi p i n g of 0.30”w .c..[...]

39 Gas Piping PROP ANE GAS Pipe Sizing - Pr opane Gas 1. Contact the local propane gas supplier for recommended sizing of piping, tanks and 100% lockup gas regulator . P r opane G as Supp ly Pr e s s u r e Req uir e m e n t s 1. Adjust the propane supply regulator pro - vided by the gas supplier for 13”w .c. max - imum pressure 2. Pressure requir[...]

Internal W iring 40 SECTION VIII - Internal Wiring ELECTRICAL SHOCK HAZARD. For your safety , disconnect electrical power supply to the unit befor e servicing or ma ki ng any e le ctr ic al c on ne cti on s to avo id p oss ibl e elec tr ic sho ck haz a rd. Failure to do so can cause sever e person- al injury or death. All electrical contacts shown [...]

41 Internal W iring Fig. 30: Factor y W iring Schematic[...]

42 Internal W iring Fig. 31: Factory Internal W iring[...]

43 External W iring SECTION IX - External Wiring Installation Compliance All field wiring made during installation must comply with: - National Electrical Code NFP A 70 and any other national, state, provincial or local codes or requirements. - I n Ca na d a , CSA C2 2 . 1 Ca na d i a n Electrical Code Part 1, and any other local codes. Line V olta[...]

External W iring 44 4 W ire Zone V alve Fig. 33: Multiple Zone Field W iring Using Zone V alves 3 W ire Zone V alve *Use isolation relay on 3-wire zone valve with non-isolated end switch. Trans f ormer and th e P ER FO R M AN CE PL US control can burn out if isolation relay is not used.[...]

45 External W iring Fig. 34: Field wiring with zone circulators.[...]

46 External W iring Fig. 35: T ypical Zone Relay Panel Wiring Fig. 36: Storage T ank Recirculation Wiring[...]

47 Start-Up Preparations SECTION X - Start Up Pr eparation Ch e c k S y s t e m a n d Do me s t ic W a t e r Chemistry Do not use petr oleum-base cleaning or sealing compounds in the primary sys - tem. Damage to seals and gaskets in the system components could occur , r esult- ing in substantial pr operty damage. Syst em wa ter inclu ding ad dit iv[...]

48 Start-Up Preparations Syst em water inclu ding addi tiv es must be pra cti call y non -tox ic, h aving a to xici ty r ating or Class of 1 , a s list ed in Clinic al T oxicol ogy o f Com mer cia l Pr o d u c t s . Use of Antifr eeze in the Primary System NEVER use automotive or ethylene gly - col antifr eeze or undiluted antifr eeze in the primar[...]

49 Start-Up Preparations 3. Fill the outer tank to correct system pressure. Correct pressure will vary with each application. T ypical r esidential system fill pressur e is 12 psi. System pressur e will incr ease wh e n sys t e m t e m p e ra t ure i n c r e a s e s . Operating pressur e of the system should never exceed 25 psi. 4. Allow air to esc[...]

50 Start-Up Preparations V erify Corr ect Pr essure Switch 1. Remove the burner hood and verify the burner pressure switch setting. 2. Che ck a nd co mp are the c ol or of the out- li ne on the p ress u re s w it ch labe l to T able 3 pag e 49 . Th e PE R FO R M AN C E P LU S is equipped with an air pressur e switch, which pr ovides a safe means of[...]

51 Start-Up Pr ocedur es SECTION XI - Start-Up Pr ocedur es Final Checks Before Star t-up  V er i fy t h e P ER F O R MA N CE P LU S and the primary and domestic systems are full of water and all system compo - nents are correctly set for operation.  V e ri fy S ta r t -u p P re pa ra ti on i t em s o ut l i n ed o n p a g e s 5 1 t h r u 5 3[...]

52 Start-Up Pr ocedur es FOR YOUR SAFETY READ BEFORE LIGHTING OPERA TING INSTRUCTIONS TO TURN OFF GAS T O APPLIANCE 1. STOP! Read the safety information above. 2. Set the secondary thermostat to the lowest setting. 3. T urn manual shutof f valve on the gas supply line clockwise to “Close” 4. Set the unit’ s “ON-OFF” switch to “OFF” 5.[...]

53 Start-Up Pr ocedur es V enting system must be sealed gas-tight to pr event flue gas spillage and potential carbon monoxide emissions, which will r esult in sever e personal injur y or death.  Check Gas Piping 1. Check around the unit for gas odor fol - lowing the procedure outlined in this manual on Page 49. If any gas leaks are found or susp[...]

54 T emperatur e Limits SECTION XII - T emperatur e Limits Studies have indicated that dangerous bacteria can form in the potable water distribution system if certain minimum water temperatur es ar e not maintained. For pr evention of this, it is r ecommend- ed that the Secondar y Thermostat be set as shown in Figur e 38 and maintained at 130ºF to[...]

55 T emperatur e Limits  Setting the Thermostatic Mixing V alve The thermostatic mixing valve controls the outlet hot water temperatur e deliv - ered to the faucets. POTENTIAL SCALD HAZARD The mixing valve must be installed on the PERFORMANCE PLUS. Removal of the mixing valve will cr eate a potential scald hazard resulting in sever e personal in[...]

56 Check-Out Pr ocedur es S E CT I ON XI II - C he ck -O ut P r o c e d u r e s Perform the following check-out pr oce - dur es as outlined and check off items as completed. When pr ocedures ar e com - pleted, the installer should complete the installation r ecord on page 57. Check-out Pr ocedures  Both inner and outer tanks filled with water . [...]

57 Installation Record SECTION XIV - Installation Record[...]

58 Maintenance Schedule S E CT IO N XV - Ma i n te na n ce Sc he du l e Service T echnician At least on an annual basis the following main - tenance should be performed by a qualified ser - vice technician: General • Attend to any reported problems. • Insp ec t th e int erior o f the co mbust ion ch ambe r; cl ean and vac uum if n ecessar y . ?[...]

59 Maintenance Pr ocedur es SECTION XVI - Maintenance Pr ocedures MAINTENANCE PROCEDURES The PERFORMANCE PLUS should be inspected and serviced annually , pr efer- ably at the start of the heating season, by a qualified service technician. In addi - tion, the maintenance and car e of the unit as outlined on page 58 and further explained on pages 59 [...]

60 Maintenance Pr ocedur es Chec k Combu stio n/ V enti latio n A i r O p e n i n g s V erify that all combustion air and ventila - tion openings to the mechanical room or building are open and unobstructed. Check the operation and wiring of any automatic ventilation dampers. Check and verify the vent discharge and the combustion air intake are fre[...]

61 Maintenance Pr ocedur es Check Boiler Relief V alve Inspect the relief valve and lift the lever to verify flow at least annually or as recom - mended on the warning tag of the valve. B e f o r e ma nua lly ope rati ng the pr e s s u r e r eli ef valv e ensur e th e disc harg e pip ing is d i r ected to a suita ble plac e of dispo sal to avoi d a[...]

62 Maintenance Pr ocedur es Check Burner Flame Inspect the burner flame through the obser - vation port on the burner mounting plate. If flame pattern is not fully blue and covers the entire burner surface, shut the unit down and allow it to cool thoroughly . Close the manual gas valve on the gas sup - ply line and disconnect the gas piping to remo[...]

63 Replacement Parts SECTION XVII - Replacement Par ts Replacement Parts Replacement parts can be ordered and pur chased through a local T riangle T ube distributor . When ordering parts, spec - i f y th e Mo d e l N u mb e r an d Se r i a l Number . Include a description of the part and a replacement par t number . Using modified or other manufact[...]

Replacement Parts 64 Fig. 40: Jacket Components Item Part No. Description Quantity required by Model PG PLUS-25/ 30/35 PG PLUS-40/45 HMJKTF25 Complete Jacket Set 1 HMJKTF40 Complete Jacket Set 1 HMJKT25F Jacket, Front 1 HMJKT40F Jacket, Front 1 HMJKT25L Jacket, Left side 1 HMJKT40L Jacket, Left side 1 HMJKT25R Jacket, Right side 1 HMJKT40R Jacket, [...]

65 Replacement Parts Item Part No. Description Operating Thermostat Primary or Secondary Manual Reset Hight Limit Pre-set at 205ºF Auto Reset High Limit Pre-Set at 194ºF Temperature / Pressure Gauge Control Panel PGRKIT21 PGRKIT 22 HMCS01 PGRKIT23 HMGAU01 7 11 8 9 10 Fig. 41: Control Panel Components[...]

66 Replacement Parts Item Part No. Description R1 Relay - Controls Burner Function R2 Relay - Controls Domestic Priority & Circulator 120 V-24 V 40VA Transformer 13 PGRKIT18 12A PGRKIT19 12B PGRKIT 19 Fig. 42: Electrical Panel Components Part No. Description HMRLV01 Pressure Relief Valve 30 psi P3AVT01 Air Vent HMVLV07 Thermostatic Mixing valve[...]

67 Replacement Parts Fig. 43: Burner Components Item Part Number Description Where Used 14 PGRKIT01 Gas valve replacement kit ALL PGRKIT02 PG PLUS-25 Blower / motor replacement kit PG PLUS-25 PGRKIT03 PG PLUS-30 Blower / motor replacement kit PG PLUS-30 PGRKIT04 PG PLUS-35 Blower / motor replacement kit PG PLUS-35 PGRKIT05 PG PLUS-40 Blower / motor[...]

Specifications 68 Fig. 45: Rear V iew Fig. 44: Side View 1. Primary circuit, ø 1” NPT 2. Primary circuit drain valve connection, ø 1/2” NPT 3. Domestic temperature/pressure relief valve (150 psi), ø 3/4” NPT 4. Primary circuit & pressure relief valve (30 psi), ø 1” NPT 5. Domestic cold water inlet, ø 3/4” NPT 6. Hot water outlet [...]

Specifications 69 T able 7: PERFORMANCE PLUS Data T able 6: Dimensional Data Type PG PLUS-25 PG PLUS-30 PG PLUS-35 PG PLUS-40 PG PLUS-45 Input Nat. Gas Btu/hr 100,000 120,000 140,000 165,000 199,000 Inner Tank Capacity Gal 17 17 17 22 22 Outer Tank Capacity Gal 20 20 20 18 18 Dimensions Inches A 59 59 59 67 67 B 54 54 54 62.5 62.5 C 54.5 54.5 54.5 [...]

Additional quality water heating equipment available fr om T riangle T ube/Phase III - Exclusive “T ank-in-T ank” design - Stainless steel construction - A vailable in 8 sizes and 2 models - Limited LIFETIME residential warranty - 15 year limited commercial warranty - Self cleaning/self descaling design - Construction of high quality corrosion [...]