Vanguard Heating POWERMAX PM200 - Manual (Page 17)

15
TO TURN OFF GAS TO APPLIANCE
1. Turn off all electric power to the booster heater if service is to be performed.
2. Turn off manual gas valve in gas supply piping.
3. Remove front access panel by lifting panel to release bottom, tilting panel away from
unit and removing panel.
4. Push in and turn gas control knob clockwise to the ‘OFF’ position.
5. Replace front access panel.
WARNING!
IF OVERHEATING OCCURS OR THE GAS SUPPLY FAILS TO SHUT OFF
CORRECTLY, DO NOT TURN OFF OR DISCONNECT ELECTRIC SUPPLY TO THE
PUMP. SHUT OFF GAS SUPPLY AT THE MANUAL GAS VALVE IN GAS SUPPLY
PIPING. IF WATER IS LEAKING FROM UNIT, AFTER TURNING OFF GAS, LET
BURNER COOL, THEN TURN OFF POWER AND SHUT OFF WATER SUPPLY VALVE.