Installation Instructions

ManualsBrandsWhite Rodgers ManualsHydronic & ApplianceWhite Rodgers 25M01A-101 25M Gas Dryer Valves

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

Type of Gas: Natural gas

LP gas (use conversion kit)

Pressure Regulator Setting:

Nat. Gas – 2.5" to 5.4" W.C.

LP Gas – 7.0 to 12.0"W.C.

Ambient Temperature: 32° to 155°F

Pressure Rating: 14" W.C. (

/2 PSI) max.

Voltage: 120 VAC

Frequency: 60 Hz

Current: .06 amps

Mounting Positions:

Control may be mounted in the following positions: horizontal,

vertical or 90° of horizontal. NOT UPSIDE DOWN.

CONTENTS

Description ........................................................ 1

Speciﬁcations .................................................... 1

Precautions ....................................................... 2

Installation ......................................................... 2

Adjustment ........................................................ 3

Pressure Regulator Adjustment

Lighting Instructions ........................................... 4

The 25M01A series valve is a combination gas pressure

regulator and dual automatic gas valve. These valves are de-

signed for gas clothes dryers with Hot Surface Ignition (HSI)

systems. These valves are equipped with redundant and main

solenoid valves that control the gas ﬂow to the burner, and a

direct acting pressure regulator.

25M01A-100 to 25M01A-199

HSI Single Stage Combination Gas Valve

INSTALLATION INSTRUCTIONS

www.white-rodgers.com

www.emersonclimate.com

PART NO. 37-6643B

Replaces 37-6643A

1207

PIPE SIZES/CAPACITIES

Pipe Sizes

Available

(inches)

Capacity (BTU/hr) at

1” pressure drop across valve

/8" NPT

Inlet

40,000

AGA Std. Nat. Gas

(1,000 BTU/cu. ft.)

65,000

LP Gas

(2,500 BTU/cu. ft.)

Summary of content (4 pages)

PAGE 1
25M01A-100 to 25M01A-199 HSI Single Stage Combination Gas Valve 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 The 25M01A series valve is a combination gas pressure regulator and dual automatic gas valve. These valves are designed for gas clothes dryers with Hot Surface Ignition (HSI) systems.
PAGE 2
PRECAUTIONS DO NOT BEGIN INSTALLATION UNTIL YOU READ THE FOLLOWING PRECAUTIONS. ! WARNING If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury or loss of life. 3. NEVER USE FLAME OR ANY KIND OF SPARK TO CHECK FOR GAS LEAKS–COULD CAUSE FIRE AND/OR EXPLOSION. 1. Failure to turn off electric or main gas supply to clothes dryer could cause personal injury and/or property damage by shock, gas suffocation, fire, and/or explosion. 4.
PAGE 3
INSTALLATION (cont.) 19. Slide the outlet boss of the new valve into the burner. Take care not to disturb the air shutter. 20. Fasten the gas valve to the mounting bracket using the screw(s) removed earlier. 21. Connect the gas inlet pipe to the inlet fitting by threading the union together and tightening to 150 lbf-in (12.5 lbf-ft). 22.
PAGE 4
ADJUSTMENT (cont.) 1. Unplug dryer power cord. 2. Attach a hose and manometer to the hose barb in the tap of the valve (see figure 5). 3. Turn on system power and energize valve. 4. Remove regulator cover screw and turn regulator adjust screw clockwise ( ) to increase pressure, or counterclockwise ( ) to decrease pressure (see figure 6). Always adjust regulator to provide the correct pressure according to the original equipment manufacturer’s specifications listed on the appliance rating plate. 5.