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TJERNLUND
The TJERNLUND 4920 Fan Proving Safety Interlock Switch for Draft Inducer Fans is a safety device that prevents the operation of a draft inducer fan when the temperature in the room exceeds a set...
TJERNLUND
The TJERNLUND 4920 Fan Proving Safety Interlock Switch for Draft Inducer Fans is a safety device that prevents the operation of draft inducer fans when the temperature in the room exceeds a set limit...
LENNOX
-.15 Blower Proving SwitchThe -.15 Blower Proving Switch is used to test the fan motor at .15 amps for 120 seconds.When you have a Lenox 59W40-.15 Blower Proving Switch -.15 Blower Proving Switch,...