After the gas valve spring replacement

Durable Construction: Forged brass body and a nickel-plated stem ensure longevity in demanding hydronic heating and cooling environments

Serves as a mechanical shock absorber to reduce system noise levels by approximately 50%

replacing legacy part numbers 8551-55 and 8552-5535 to maintain factory-spec efficiency

the switch opens the electrical circuit to the gas valve

Carrier HH79NZ029 Thermistor Sensor Els PW 17895 After the gas valve springThe Carrier HH79NZ029 Thermistor Sensor is a high precision 5k Ohm water temperature sensor designed for critical monitoring in industrial chillers, air handlers, and packaged units. This 4 inch thermistor provides the essential feedback loop required for accurate saturated suction temperature and fluid thermal monitoring, ensuring your HVAC control system maintains optimal setpoints. As a factory authorized part, it guarantees seamless integration