Example: bachelor of science
Gas Shutoff
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MODEL 340MAV, 350MAV, 355MAV CONDENSING GAS …
www.questargas.comRedundant gas valve. Safe, efficient. Features 1 gas control with 2 internal shutoff valves. Vent outlet. Uses PVC pipe to carry vent gases from the furnace’s combustion system (right or left side). Inducer motor. Pulls hot flue gases through the heat exchangers, maintaining negative pressure for added safety.
Installation and Appliance Setup - Care and Operation
downloads.hearthnhome.comgas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig. An accessible tap is located above the pilot/On-Off knob for checking the inlet pressure.