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– 15 –
Gas Boiler (Fig. 3)
PL-41749-1
WATER LEVEL GAUGE
MANUAL VALVES
WATER INLET VALVE
GAS VALVE
PROBE HOUSING
BLOWDOWN VALVE
PRESSURE RELIEF VALVE
Fig. 3
Electric Boiler (Fig. 4)
Fig. 4
Probe Housing Blowdown Valve
• Open periodically (monthly) to blow down the probes and to remove sediment and scale buildup.
• Located toward the back left side. Wait until the boiler is cool before opening the valve.
Water Inlet Valve
• Located toward the bottom center in the boiler.
Gas Valve (Gas-Powered Boilers Only)
• Located behind the door. Turn counterclockwise to ON; clockwise to OFF.
PL-41748-1
WATER LEVEL GAUGE
MANUAL VALVES
PRESSURE RELIEF VALVE
PROBE HOUSING
BLOWDOWN VALVE
CONDENSATE WATER
INLET VALVE
BOILER FILL VALVE