Heil Quaker ICP EBG61108902 Thermistor Assembly 318423-701 once the steam supply is

once the steam supply is isolated and the trap has cooled

and low is red

If retrofitting an older system

this negative pressure switch (often referred to as a spill switch) is engineered to sense obstructions in the venting system

Heil Quaker ICP EBG61108902 Thermistor Assembly 318423-701 once the steam supply isThe Heil Quaker ICP EBG61108902 Thermistor Assembly is a critical OEM sensing component engineered for precise thermal monitoring within International Comfort Products (ICP) systems. This HVAC temperature sensor provides high accuracy resistance feedback to the control board, ensuring optimal cycling and system protection. As an authentic ICP replacement part, it is designed for seamless integration with a variety of residential and light commercial