White Rodgers 37C73U user manual

Summary of the content on the page No. 1

RISK OF SCALDING
INCREASES WITH
HOTTER WATER
CAUTION:
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37C73U
Water Heater Thermostat Control
WHITE-RODGERS Installation Instructions
FOR NATURAL GAS ONLY
RETAIN INSTRUCTIONS FOR FUTURE REFERENCE.
FOR YOUR SAFETY
“WHAT TO DO IF YOU SMELL GAS”
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
•

Summary of the content on the page No. 2

RISK OF SCALDING INCREASES WITH HOTTER WATER CAUTION: W O L G N T I T O H L I G P I L INSTALLATION REPLACEMENT INFORMATION Gas supply pipe REMOVING OLD CONTROL 1. Shut off gas to water heater. 2. Shut off water at cold water inlet. 3. Connect hose to heater drain cock. Drain water to a nearby drain. Open a hot water faucet for faster drain- Gas shut-off ing. valve 4. Disconnect gas line at union (figure 1). Remove piping Union from old control. (metal-to-metal) 5. Disconnect the: a. Thermoc

Summary of the content on the page No. 3

W O L O O O F F F F F F G N I T T O H L I G P I L P P P I I I P L L L I L 8. BEFORE LIGHTING THE PILOT, CHECK THE GAS WARNING ! LINES FOR LEAKS: DO NOT USE OPEN FLAME OR ANY KIND OF a. Use a soapy water solution. DO NOT test for gas SPARK TO CHECK FOR LEAKS. Serious injury or leaks using a match or open flame. death from fire or explosion could result. b. Brush the soapy water solution on all gas pipes, joints, and fittings. 9. Affix the new Lighting Instruction label on the water heater to cove

Summary of the content on the page No. 4

W O L O O F F F F G N I T T O H L I G P I L P P I I P L L I L TEMPERATURE REGULATION After the gas connections are made, water is in the heater To avoid scald injury, set the control at the lowest setting and the pilot light is ignited, the control must be set to the which will still deliver your needed hot water. desired water temperature. WARNING ! The recommended water temperature dial setting is at the arrow ( ). The water temperature out of the heater at this The hotter the water the greate