L.B. White 350 Premier - Manual (Page 10)

9
The remote thermostat that ships with this heater is factory
wired into the control circuit. The thermostat mechanism is
a two stage device and is designed to cover a broad range
of heating requirements.
Using this type of thermostat allows the heater to fill an
application where a single high heat rate is undesirable.
The two stage thermostat will allow the heater to operate
and cycle at a low heat condition when the heating load is
less severe, or it will cycle to highest heat as demand is
increased. When the heat load is satisfied, the thermostat
will cycle back to low heat and then off.
THERMOSTAT ASSEMBLY
PROPANE H HEATERS
1. Open the tank cover.
2. Thread pigtail connector into the regulator inlet.
Tighten securely. See Fig. 2.
3. Form the connector to ensure regulator will be
supported by the tank, and the tank cover will protect
the regulator from weather conditions.
FIG. 2
4. Thread the POL fitting counter-clockwise into the tank
valve. See Fig. 2. Tighten securely.
5. Open the tank valve.
6. Check all connections with an approved leak detector.
Close the tank cover.
7. When storing or transporting the heater, ensure the
connector is protected from damage and dirt entry.
NATURAL G GAS H HEATERS
-- A regulator is required if the supply pressure to the
heater is above the maximum pressure stated on
the heater’s dataplate.
-- Connect the natural gas regulator (part # 25108) to
the natural gas supply line. Gas supply pressure to
the regulator must be a minimum of 2 PSI.
CONNECTING REGULATOR TO GAS SUPPLY
TANK VALVE
POL FITTING
1/4 IN. NPT
PIGTAIL CONNECTOR
1. Thread swivel to connector at gas inlet of heater. See
Fig. 1. Tighten securely.
2. The hose may be coiled up and hung on the hose
hanger, with the regulator stored within the regulator
storage bracket.
FIG. 1
CONNECTING HOSE TO HEATER
SWIVEL