White Rodgers 922 User Manual

3

 

 

 

 

GROUND JOINT UNION

INTELLI-VENT™

CONTROL

GAS SUPPLY 

PIPE

TEE

DRIP LEG

(SEDIMET TRAP)

3" MINIMUM

(MANDATORY)

PIPE CAP

SHUT-OFF VALVE

d.  Check all new water piping for leaks. Repair as needed.

8.   Open the gas shutoff valve.
9.   

a.  Use a soapy water solution.  DO NOT test for gas leaks 

using a match or open flame.

b.  Brush the soapy water solution on all gas pipes, joints, 

and fittings. Use care that excess solution does not 
enter the control’s plastic housing.  

c.  Check for bubbling soap. This means you have a leak.  

Turn OFF the gas and make the necessary repairs.

d.  Turn on the gas and recheck for leaks. Repeat this 

process until you are sure the system is gas-tight. If 
repeated work on a part does not stop the leak, the 
part must be replaced.

e.  Rinse off the soapy solution and wipe all the plumbing 

parts dry.

These controls are shipped from the factory with the regulator
set  as  specified  on  the  control  label.  Consult  the  appliance 
rating plate to ensure burner manifold pressure is as specified. 
If another outlet pressure is required, follow these steps.

I

1.  Turn off all electrical power to the system
2.  These models have 1/8 NPT threaded taps. The outlet 

pressure tap plug will need to be removed and a separate 
hose fitting installed.

3.  Attached a hose and manometer to the separate hose 

fitting which has been installed in place of the 1/8 NPT 
threaded tap.

4.  Turn on system power and energize valve.
5.  Remove regulator cover screw and turn regulator adjust 

screw 

clockwise ( 

 ) 

to increase pressure, or 

counterclockwise 

(

) 

to decrease pressure  (see 

fig. 3). Always adjust regulator to provide the correct 
pressure according to the original equipment manufacturer’s 
specifications listed on the appliance rating plate. Replace 
regulator cover screw.

6.  Turn off all electrical power system to the system.
7.  Remove manometer hose from outlet pressure tap.
8.  Remove hose fitting and re-install the 1/8 NPT pressure 

tap plug. Tighten to 60 in-lb max.

9.  Turn on electrical power to the system.
10. Turn on system power and energize valve.
11. Using a leak detection solution or soap suds, check 

for leaks at pressure boss screw or pressure tap plug. 
Bubbles forming indicate a leak. SHUT OFF GAS AND FIX 
ALL LEAKS IMMEDIATELY.

Outlet Pressure
Regulator Adjust
Tower

1/8 Threaded Outlet
Pressure Tap

37E Intelli-Vent™ Control

Outlet Pressure
Regulator Adjust
Tower

1/8 Threaded Outlet
Pressure Tap

Regulator

Cover Screw

Plastic

Adjust Screw

Regulator 

Spring