L.B. White Premier 80 Owner's Manual And Instructions page 27

Burner Orifice & Gas
Control Valve
1. Remove the gas hose from heater
2. Remove the elbow and all screws at inlet of gas control
valve. See Fig. 29.
FIG. 29
3. Open the solid door at the gas inlet end of the heater.
4. Remove the burner retaining bolt at the underside of
the heaters base. For Premier 170 heaters, the bolt is
accessible through an opening in the heater's support
leg. Use a ratchet with extension and 9/16 in. socket.
See Fig. 30.
FIG. 30
Premier Ductable Heaters
Bolt
Owner's Manual • Premier 80-170
5. Lift and pivot the gas control assembly to
expose the burner orifi ce. See Fig. 32. Replace
components as needed.
FIG. 32
6. When assembling the control valve to manifold,
the valve must be offset 8 degrees from the
orifi ce holder to ensure the control valve aligns
to its mounting holes. See Fig. 33.
FIG. 33
Premier 80
Gas Control
27
Orifi ce Holder
8°