LIGHTING INSTRUCTIONS FOR HEATERS WITH ELECTRONIC IGNITION (IID) For Models with Manual Gas Valves 512, 627, 726
FOR YOUR SAFETY READ BEFORE OPERATING
WARNING:If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
A.This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand.
B.BEFORE OPERATING Smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
*Do not try to light any appliance.
*Do not touch any electric switch:
do not use any phone in your building.
*Immediately call your gas supplier from your neighbor’s phone. Follow the gas supplier’s instructions.
*If you cannot reach your gas supplier, call the fire de- partment.
C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, do not try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.
D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.
OPERATING INSTRUCTIONS
1.STOP! Read the safety information above on this label.
2.Set the thermostat on the lowest setting.
3.Turn off all electric power to the appliance.
4.This appliance is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand.
5.Remove boiler door panel.
6.For Robertshaw gas valve: Turn gas control knob
clockwise 
to “OFF”.
For Honeywell Gas Valve: Turn gas control knob clock-
wise 
to “OFF". Make sure knob rest against stop. 
For Honeywell Gas Valve:
Push in gas control knob slightly and turn clockwise
to “OFF”. Knob cannot be turned to 
“OFF” unless knob is pushed in slightly. Do not force.
7.Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information previously stated. If you do not smell gas, go to the next step.
8.For Robertshaw Gas Valve: Turn gas control knob
counter clockwise 
to “ON”.
For Honeywell Gas Valve: Turn gas control knob
counter clockwise 
from “OFF” until it stops. Push in gas control knob and continue
rotating counter clockwise 
to “ON” position. Make sure knob rest against stop.
GAS CONTROL
KNOB SHOWN
IN"ON"POSITION
GAS INLET
Fig. # 8082
9.Replace boiler door panel.
10.Turn on all electric power to the appliance.
11.Set thermostat to desired setting.
12.If the appliance will not operate, follow the instructions “To Turn Off Gas To Appliance” and call your service technician or gas supplier.
GAS CONTROL
KNOB SHOWN
IN"ON"POSITION
GAS INLET
Fig. # 8080
TO TURN OFF GAS TO APPLIANCE
1.Set the thermostat to the lowest setting.
2.Turn off all the electric power to the appliance if service is to be performed.
3.Remove door panel.
4.For Robertshaw Gas Valve: Turn gas control knob
clockwise 
to “OFF”.
For Honeywell Gas Valve: Turn gas control knob clock-
wise 
to “OFF”. Make sure knob rest against stop. 
For Honeywell Gas Valve:
Push in gas control knob slightly and turn clockwise to “OFF”.
5.Replace heater door panel.
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