PIPE SIZES/CAPACITIES
Pipe Size
(inches)
Capacity (BTU/hr) at
1” pressure drop across valve
1
⁄
2
” x
3
⁄
8
”
1
⁄
2
” x
1
⁄
2
”
1
⁄
2
” x
3
⁄
4
”
3
⁄
4
” x
3
⁄
4
”
100,000
230,000
230,000
280,000
162,000
372,600
372,600
453,600
Nat. Gas
(1000 BTU/cu. ft.,
64 Sp. Gr.)
LP Gas
(2500 BTU/cu. ft.,
1.53 Sp. Gr.)
INSTALLATION INSTRUCTIONS
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE
INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY
AND/OR PROPERTY DAMAGE.
Operator: Save these instructions for future use!
DESCRIPTION
SPECIFICATIONS
36C53
Combination Gas Valves
(24 Volt Model)
CONTENTS
Description .......................................................................... 1
Specifications ...................................................................... 1
Precautions ......................................................................... 2
Installation ........................................................................... 2
Main Piping Connection
Pilot Gas Connection
Energy Cut Off (E.C.O.) Connection
Thermocouple Connection
System Wiring
Adjustment .......................................................................... 3
Pilot Gas Adjustment
Pressure Regulator Adjustment
Pilot Lighting Instructions and Precautions .......................... 4
OFF
PI
LO
T
ON
E.C.O
The multi-function gas controls combine into a single package the
functions of 3-position gas cock, main gas valve, pressure regulator
and 100% shut-off automatic pilot. The pilot gas outlet accepts a
1
⁄
4
”
pilot line connection.
This model features a slow opening main valve that provides a softer
ignition and E.C.O. connections.
To permit replacement of a variety of valve sizes, some models are
furnished with two reducer bushings (two
3
⁄
4
” to
1
⁄
2
”). Also included is
an E.C.O. jumper wire that allows this valve to be used on an instal-
lation without electrical cut off device.
www.white-rodgers.com
www.emersonclimate.com
PART NO. 37-5825C
Replaces 37-5825B
1331
Electrical Rating:
Voltage:
24 Volts, (30 Volts Max.), 60 Hz.
Current Rating:
0.23 Amps
Type of Gas
Natural Gas
Pressure Rating:
1
⁄
2
lb. per sq. in. (14” W.C.)
Pressure Regulator Setting:
Adjustable from 2.5 to 5.0" W.C.
(Factory preset for 3.5" W.C.)
Ambient Temperature:
-40° to 175°F
Thermocouple:
30 millivolt type
INLET BOSS
UP OR DOWN
UPRIGHT
LEFT OR RIGHT
Upright, 90
°
from upright or vertical
NOTE: Control shown may not be identical
to replacement control.
ON
OFF
Figure 1. Gas valve mounting positions
Figure 1. Gas valve mounting positions