as the probe requires a good electrical ground through the threads to the boiler shell

this 3-phase motor features a NEMA 254T frame and a dual-voltage 208-230/460V configuration

34" wc switch in a system designed for a higher or lower rating can lead to improper combustion or safety lockouts

The hub is machined for a standard 1/2 inch bore

The technical design features a high-performance strainer basket that captures scale and sediment before it fouls the cartridge poppet

Carrier HH79NZ100 Thermistor Probe Refrigerant as the probe requires aThe Carrier HH79NZ100 Thermistor Probe is a precision engineered NTC temperature sensor designed for high accuracy thermal feedback in commercial and residential HVAC systems. As a genuine OEM Carrier replacement part, this probe is critical for maintaining the operational integrity of EconoMi$er 2 packages and VAV control boards. It functions by detecting resistance variations across its semiconductor material, providing the microprocessor with the