Rheem Residential Indoor Gas Tankless Water Heater manual

Residential Indoor Gas T ankless W ater Heater W arning: This water heater is not suitable for use in manufactur ed (mobile) homes! The purpose of this manual is twofold: one, to provide the installer with the basic directions and recommendations for the proper installation and adjustment of the water heater; and two, to the owneroperator , to expl[...]

Safety Information Installation Instructions Operating Instructions Care and Cleaning T roubleshooting Tips Customer Service Safety Precautions .......3 - 6 L PG a sM o d e l s...........5 Locatio n.................7 W ater Connections ......9 - 1 0 Gas Supply ..............1 1 High Altitud e............ 1 1 V e n t i n g..............1 2.15 Electr[...]

W ARNING! 3 Be sure to r ead and understand the entire Use and Car e Manual before attempting to install or operate this water heater . It may save you time and money . Pay particular attention to the Safety Instructions. Failure to follow these warnings could r esult in serious bodily injury or death. Should you have problems understanding the ins[...]

DANGER! W A TER TEMPERA TURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting . W ater temperatures above 125 F from scalding. Be sur e to read and follow the warnings o can cause severe burns or death outlined on the label pictured below . IMPOR T ANT SAFETY INFORMA TION. READ ALL INS[...]

DANGER! NA TURAL GAS AND LIQUEFIED PETROLEUM MODELS Both LP and natural gas have an odorant added to aid in detecting a gas leak. Some people may not physically be able to smell or r ecognize this odorant. If you are unsur e or unfamiliar with the smell of LP or natural gas, ask the gas supplier . Other conditions, such as odorant fade , which caus[...]

Have the installer show you the location of the gas shut-off valve and how to shut it off if necessary . T urn off the manual shut-off valve if the water heater has been subjected to overheating, fire, flood, physical damage or if the gas supply fails to shut off. Read this manual entirely befor e installing or operating the water heater . Use this[...]

W ARNING: Combustible construction refers to adjacent walls and ceilings and should not be confused with combustible or flammable products and materials. Combustible and/or flammable products and materials should never be stored in the vicinity of this or any gas appliance. 7 This water heater must be installed in accordance with these instructions[...]

NOTICE: The water heater should not be installed near an air supply containing halogenated hydrocarbons. Inspect Shipment Inspect the water heater for possible damage. Check the markings on the rating plate of the water heater to be certain the type of gas supplied corresponds to the water heater requirements. V erify all included parts are present[...]

IMPOR T ANT : Do not apply heat to the HOT or COLD water connections. If sweat connections are used, sweat tubing to adapter before fitting adapter to the water connections on heater . Any heat applied to the water supply fittings will permanently damage the internal components of the water heater . W ater Supply Connections CAUTION: This water hea[...]

A new pressur e relief valve, complying with the Standard for Relief V alves and Automatic Gas Shut-Off Devices for Hot W ater Supply Systems, ANSI Z21.22, must be installed at the hot water outlet connection of the water heater at the time of installation. Local codes shall govern the installation of relief valves. F o rs a f eo p e r a t i o no f[...]

Pr essure T esting the Gas Supply System The water heater and its manual gas shutoff valve must be from the gas supply piping system during any pressure testing of the system at pressures in excess of 1/2 psi (14 w .c.). disconnected The water heater must be from the gas piping system by closing the manual gas shut-off valve during any pressure tes[...]

Installing the water heater . The water heater must be installed with a R TG20002B vent adapter or a UL approved Category III Stainless Steel equivalent. The installation of venting must comply with national codes, local codes, and the vent manufacturer's instructions The water heater must be vented to the outdoors as described in these instru[...]

If the vent piping passes through a closed space, wrap the vent pipe with inflammable insulation material that is at least 3/4 thick. DO NOT let the insulation material make contact with flammable materials. A minimum clearance of 3 between the vent pipe and ceiling should be maintained. Be sure to follow local codes. For maintenance and inspection[...]

The location of the vent terminal depends on the following minimum clearances and considerations (see illustration): T welve (12) inches grade level and above normal snow levels. Four (4) feet below , or four (4) feet horizontally from any door , window , soffit, under eave vent or gravity air inlet to the building or other appliances, or from gas [...]