Section 16: Removal And Replacement Parts; Gas Valve - Roberts Gorden Combat CTU 22 to Combat 115 Installation, Commissioning, Operation & Service Manual

SECTION 16: REMOVAL AND REPLACEMENT PARTS

See warnings and notes on Page 30, Section 13
before removing or replacing parts.
Burner Components
All serviceable burner parts are accessed by the
door on the right side of the heater. Use a
screwdriver to turn the latch 90°. See Page 5,
Section 4.

16.1 Gas Valve

Remove the gas supply pipe at the heater inlet.
16.1.1 Models 22 - 60
Description Part Number
Gas Valve VR4105A
Ignition Control
16.1.2 Models 75 - 115
Description Part Number
Gas Valve VR4605
Ignition Control
16.1.3 All Models
Replace in reverse order. Verify that the gas flow
direction of the valve is correct. Use a minimum
amount of gas seal on the thread joint. Re-use the
"O" ring seal in the outlet flange where fitted. Check
that all the joints are leak free. Reset gas valve. See
90033403
90434010
90033404
90434020
SECTION 16: R
Page 26, Section 11.4.2.
IT IS IMPORTANT THAT ONLY THE CORRECT
GAS VALVES SPECIFIED FOR EACH MODEL
TYPE ARE USED WHEN REPLACING THESE
CONTROLS.
R
EMOVAL AND EPLACEMENT
P
ARTS
35