this 1" NPT valve is engineered to simplify ASME CSD-1 code-mandated testing of low water cut-offs (LWCO)

if the original sensor has drifted and is not "opening" at the 60°F threshold

and 58MCB Carrier furnace lines

this replacement HVAC shaft measures approximately 24

Enhanced Ignition: Delivers a concentrated arc to the burner electrodes for reliable cold-starts and reduced soot buildup

Heil Quaker ICP 34335004 Limit Switch 321702-401 this 1" NPT valve isUpgrade your system reliability with the Heil Quaker ICP 34335004 Limit Switch, a precise OEM replacement engineered for high performance thermal regulation. Designed specifically for Heil, Quaker, and International Comfort Products (ICP) furnace units, this automatic reset limit switch is a critical safety component that monitors heat exchanger temperatures to prevent thermal overload. When the internal plenum temperature reaches its 110? F set