Fireye 45UV5-1007 Scanner 321894-709 or the valve failing to

or the valve failing to open despite receiving 24V power from the furnace controller

The Eaton Cutler-Hammer CE15DNS3AB Contactor is a heavy-duty IECC non-reversing contactor engineered for the rugged demands of HVACR motor control systems

The McDonnell & Miller 194-A is a heavy-duty combination low water cut-off and pump controller designed specifically for commercial and industrial steam boiler applications

for applications requiring field adjustment of fan RPM

Fireye 45UV5-1007 Scanner 321894-709 or the valve failing toThe Fireye 45UV5 1007 Scanner is a specialized UV self checking flame scanner designed for continuous duty industrial burner applications. This unit features 1 inch British Standard Pipe (BSP) threads and is engineered to detect ultraviolet radiation in the 2200 to 2600 angstrom range, specifically from fossil fuel flames such as natural gas and diesel. Unlike standard detectors, this self checking ultraviolet scanner incorporates an internal shutter