White Rodgers 37C72U - Manual
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Table of Contents:
- Page 2 – INSTALLATION; REPLACEMENT INFORMATION; REMOVING OLD CONTROL; Figure 1. Typical gas connection; NOTE
- Page 3 – TO LIGHT APPLIANCE; Figure 2. Gas Control Knob and; CAUTION
- Page 4 – TEMPERATURE REGULATION; F because of the dynamics of the appliance.; TO TURN OFF GAS TO APPLIANCE; ) to the “PILOT LIGHTING”; Review and leave these instructions with the consumer!; Figure 3. Water Temperature Dial; WARNING
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.
• If you cannot reach your gas supplier, call the fire
department.
Do not use this LP Gas control on a Natural Gas
water heater. Improper operation could occur, re-
sulting in personal injury and/or death due to Car-
bon Monoxide poisoning, fire, or explosion. Check
for proper gas type as listed on the rating plate
affixed to the water heater.
This gas control is equipped with LEFT-HAND threads in
the outlet for use on LP gas water heaters where the
connection between the gas control and the main burner
manifold are with LEFT-HAND threads.
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS BEFORE INSTALLING OR OPERATING THIS
CONTROL COULD CAUSE PROPERTY DAMAGE, PERSONAL INJURY AND/OR DEATH.
RETAIN INSTRUCTIONS FOR FUTURE REFERENCE.
NOTE
WARNING
!
1.
This control must be installed or serviced only by a
professional.
2.
Do not use force when moving the gas control knob. If
you cannot turn the knob with hand pressure only, the
control must be replaced.
3.
Do not use the control if the knob will not “pop up” after
being depressed while the knob is in the PILOT posi-
tion. The mechanism is damaged and the control must
be replaced. Shut off gas to the water heater.
4.
For your safety, this control is supplied with tamper
resistant screws. Do not attempt to repair or adjust the
control. If you experience problems, replace the control
immediately. Continuing to use a damaged control
could result in fire and/or explosion.
5.
LP gas is heavier than air. Leaking gas will settle near
the ground and will tend to accumulate.
6.
An odorant has been added to the gas to help you
detect it. Before lighting, search for the odor of gas by
sniffing at floor level around the water heater.
7.
In some situations, the gas may lose its odor. To detect
unodorized gas, you must have a gas detector which
can be purchased from your gas company. If you do not
have a detector and have the slightest suspicion that
gas may be present, get out of the house and call the
gas company. DO NOT RELY TOTALLY ON YOUR
NOSE.
8.
If any problems or questions are encountered about the
safe use of LP gas, contact your local gas supplier.
Scald burns occur in under one second with 160
°
water, which this thermostat will deliver if the
temperature dial is set at “VERY HOT”. Lower
settings of the temperature dial will reduce the risk
of scald and will reduce your fuel bill.
WARNING
!
A
B
C
PILO
T
LIGH
TIN
G
L
O
W
H
O
T
V
E
R
Y
RISK OF SCALDING
INCREASES WITH
HOTTER WATER
CAUTION:
Printed in U.S.A.
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
PART NO. 37-6093A
9912
37C72U
Water Heater Thermostat Control
Installation Instructions
(Left-Hand Outlet Thread Model)
FOR LP GAS ONLY
WHITE-RODGERS
Fixed Adjustment Main and Pilot Regulators
The main and pilot gas regulators require no field
service. They automatically control and maintain the
outlet main and pilot burner gas pressure.
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Summary
2 INSTALLATION REPLACEMENT INFORMATION 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 anearby drain. Open a hot water faucet for faster drain-ing. 4. Disconnect gas line at union (figure 1). Remove pip...
3 Never use this water heater unless it is completelyfilled with water. To prevent damage to the tank,the tank must be filled with water. Water must flowfrom the hot water faucet before turning ON gas tothe water heater. 7. Open gas shutoff valve. 8. BEFORE LIGHTING THE PILOT, CHECK THE GASLINES FOR...
TEMPERATURE REGULATION After the gas connections are made, water is in the heaterand the pilot light is ignited, the control must be set to thedesired water temperature. The recommended water temperature dial setting is at thearrow ( ). The water temperature out of the heater at thissetting will be ...
