Burner Orifice And Gas Control Valve - L.B. White Guardian AB250 Manuel Du Propriétaire Et Instructions

22
Guardian LP or Natural Gas Heater
Burner Orifice and
Gas Control Valve
1. Remove the following:
-- Hose and sediment trap from heater.
-- Plastic bushing at gas inlet hole. See Fig.
23.
-- Screws from bracket at inlet of gas
control valve. See Fig. 23.
-- Burner retaining bolt from underside of
base.
2. Disconnect the pilot line, thermocouple, and
electrical leads from the gas control valve.
3 Pivot the valve/manifold assembly as
necessary so orifice on manifold clears the
burner casting venturi port. See Fig. 24.
4. Replace components as needed.
FIG. 23
SCREWS AT
VALVE INLET
FIG. 24
GAS CONTROL VALVE
ORIFICE
Owner's Manual • Guardian
BUSHING