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PART NO. 37-6632B
Replaces 37-6632A
0927
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE IN-
STALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY
AND/OR PROPERTY DAMAGE.
The 36H series combination gas valve is designed with redundant and main solenoid valves that control gas flow to the main
burners, a pressure regulator to maintain a constant outlet pressure, and a two position on/off switch for electrical shutoff.
Model numbers below include features as described:
DESCRIPTION
SPECIFICATIONS
36H SERIES
Combination Gas Valve
INSTALLATION INSTRUCTIONS
CONTENTS
Description ................................................................. 1
Specifications ............................................................. 1
Precautions ................................................................ 2
Installation .................................................................. 3
System Wiring
Adjustment ................................................................. 4
Pressure Regulator Adjustment
Lighting Instructions .................................................... 6
Type of Gas: Natural Gas
Ambient Temperature: -40° to 175°F
Pressure Rating: 14” W.C. (
1
⁄
2
PSI) max.
Voltage: 24 VAC
Frequency: 50/60 Hz
Current: Single Stage - .410A
Two-Stage - .540A
MOUNTING POSITIONS:
Upright, or 0° to 90° from upright
UPRIGHT
LEFT or RIGHT
INLET BOSS
VERTICAL
Figure 1. Gas valve mounting positions
360˚
Model
No.
# of
Stages
Open
Characteristics
Proven
Pilot
36H22 1 Fast NO
36H23 1 Slow NO
36H32 1 Fast YES
36H33 1 Slow YES
36H54 2 Fast NO
36H55 2 Slow NO
36H64 2 Fast YES
36H65 2 Slow YES
Pressure Regulator Setting: (“ W.C.)
Single
Stage
Two Stage
Low High
Min Diff.
Low to High
Natural Gas 2.5 - 5.0 1.0 - 3.5 2.5 - 5.0 1.5
LP Gas 7.0 - 12.0 4.0 - 9.5 8.0 - 12.0 2.5
PIPE SIZES/CAPACITIES
Pipe Sizes
Available (inches)
Capacity (BTU/hr) at 1”
pressure drop across valve
AGA Std. Nat. Gas
(1,000 btu/cu. ft.)
LP. Gas
(2,500 btu/cu. ft.)
3/4” x 3/4” NPT 300,000 486,000
1/2” x 3/4” NPT 260,000 421,000
1/2” x 1/2” NPT 170,000 275,400
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