Cleveland Controls AFS-155 Air Proving Switch R-407A The Carrier HH79NZ053 Discharge Air

The Carrier HH79NZ053 Discharge Air Thermistor is a critical NTC resistance sensor designed for precision temperature monitoring in commercial HVAC systems

Professional Grade Durability: Rated for high-temperature furnace environments to prevent insulation cracking and short-to-ground faults

With automatic thermal overload protection and a CCWOSE rotation

Versatile Fuel Support: Fully rated for use with oil-fired equipment

This heavy-duty bimetal control is built to handle the thermal expansion and contraction cycles common in gravity-vented and counterflow units

Cleveland Controls AFS-155 Air Proving Switch R-407A The Carrier HH79NZ053 Discharge AirThe Cleveland Controls AFS 155 Air Proving Switch is a versatile differential pressure switch designed to monitor positive, vacuum, or differential air pressure in commercial HVAC and energy management systems. This adjustable air pressure switch features a wide set point range from 0. 05" . 02" to 2. 0" w. c., allowing for precise field adjustments to meet specific application requirements. Built with a rugged die cast aluminum housing and a silicone