align the stainless steel teeth with a straight section of the coil

Heavy-Duty Construction: Built to withstand high-cycle thermal environments within the heat exchanger cabinet

reducing unnecessary system lockouts while ensuring the unit only operates under safe thermal conditions

01" NG orifice on an LP system will result in improper combustion and potentially dangerous operation

You can momentarily jump the terminals to diagnose a faulty switch

Robertshaw 80-101 Indicating Light align the stainless steel teethThe Robertshaw 80 101 Indicating Light is a critical diagnostic component for commercial and residential HVACR equipment, providing immediate visual feedback for system status monitoring. Built for the rigors of mechanical rooms, this 120V red indicator light is engineered for high visibility signaling in furnace controls, boiler systems, and industrial burner assemblies. With a panel mount design and 1 4 inch quick connect terminals, it ensures a