White Rodgers 37C73U user manual

Summary of the content on the page No. 1

37C73U
Water Heater Thermostat Control
Installation Instructions
FOR NATURAL GAS ONLY
RET AIN INSTR UCTIONS FOR FUTURE REFERENCE.
FOR YOUR SAFETY
“WHAT TO DO IF YOU SMELL GAS”
• Do not tr y to light an y appliance .
• Do not touc h an y electrical s witc h; do not use an y
phone in y our b uilding.
• Immediatel y call y our gas supplier fr om a neighbor’ s
phone . Follo w the gas supplier’ s instructions.
• If y ou cannot reac h y our gas supplier , call the fir

Summary of the content on the page No. 2

RIS K OF SCALDING I E SES WI NCR A TH HOTTER WATER RIS K OF SCALDING INCREASES WITH HOTTER WATER CAUTION: CAUTION: W W O O L L G G N N T T I I T T O O H H L L I I G G P P I I L L Gas supply pipe INSTALLATION REPLACEMENT INFORMATION Gas supply Gas shut-off pipe valve REMO VING OLD CONTR OL 1. Turn off gas supply to the water heater at the manual gas Union shut-off valve. This valve is typically located beside the (metal-to-metal) water heater. Gas shut-off 2. Locate the gas control v

Summary of the content on the page No. 3

O O O O F F F F F F F F P P P P I I I I L L L L TO LIGHT APPLIANCE MAIN BURNER FIGURE A FIGURE B FIGURE C GAS CONTROL KNOB “OFF” POSITION “PILOT” POSITION “ON” POSITION PILOT THERMOCOUPLE TEMPERATURE POINTER FIGURE D WATER TEMPERATURE DIAL B. Gas V alve/Thermostat with ignitor . Figure 2. Gas Contr ol Knob and 1. STOP! Read the safety information on the label. W ater T emperature Dial 2. Set the thermostat to lowest setting (PILOT LIGHT- ING). Turn thermostat dial fully clockwis

Summary of the content on the page No. 4

O O O O O O O O O O F F F F F F F F F F F F F F F F F F F F P P P P P P P P P P I I I I I I I I I I L L L L L L L L L L TEMPERATURE REGULATION After the gas connections are made, water is in the heater and WARNING the pilot light is ignited, the control must be set to the desired ! water temperature. The hotter the water the greater the risk of scald The recommended water temperature dial setting is at the ar- injur y and the shor ter the time to cause injur y . row ( ). The water te