
36C21 Series
WHITE-RODGERS
Main Gas Valves
INSTALLATION INSTRUCTIONS
Operator: Save these instructions for future use!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
These Gas Valves control the flow of gas to the main burner under command of a room thermostat. They are suitable for use on all gases and may be used with all types of gas heating equipment. They may be mounted in any position except upside down.
NOTE
Some parts of this gas valve are also used to make more complex combination gas controls. Disregard the nota- tions “Pilot”, “Pilot Adj.” and “Vent ”. Although these notations do appear on the valve, they are not functional on model 36C21 Series controls.
SPECIFICATIONS
Electrical Rating:
Main Valve
Model No. | Voltage | Current |
36C21U | 750 MV | D.C. |
36C21 | 24 volts | .23 Amp |
36C21A | 120 volts | .035 Amp |
Maximum Pressure Rating:
14" W.C. (1⁄2 lb. per sq. in.) Ambient Temperature:
PIPE SIZES/CAPACITIES
| Capacity (BTU/hr) at | |
| 1” pressure drop across valve | |
| Nat. Gas | LP Gas |
Pipe Size | (1000 BTU/cu. ft., | (2500 BTU/cu. ft., |
(inches) | 64 Sp. Gr.) | 1.53 Sp. Gr.) |
1⁄2” x 3⁄8” | 100,000 | 162,000 |
1⁄2” x 1⁄2” | 230,000 | 372,600 |
1⁄2” x 3⁄4” | 230,000 | 372,600 |
3⁄4” x 3⁄4” | 280,000 | 453,600 |
!CAUTION
Do not use this valve on indoor LP gas furnaces except with 100%
Mounting: Any position except upside-down
MOUNTING POSITIONS:
Upright, 90°from upright or vertical
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| UPRIGHT |
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| INLET BOSS | ||||||
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| 360° | ||||||
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EMERSON ELECTRIC CO. | Printed in U.S.A. | PART NO. |
9797 REAVIS ROAD | Replaces | |
ST. LOUIS, MISSOURI |
| 9615 |