The ASCO 302-280 Rebuild Kit is a critical maintenance solution designed for the ASCO 8302 series 2-way hung diaphragm solenoid valves

Consistent Airflow: Maintains designed CFM even as filter loading increases

control boards

Diagnostic Reliability: Built with robust circuitry to handle voltage fluctuations common in residential and light commercial HVAC applications

It serves as the direct Nordyne 667277R replacement

Honeywell TR50-5D Sensor 340155-7024 The ASCO 302-280 Rebuild KitThe Honeywell TR50 5D is a high performance IAQ sensor engineered for precise monitoring in demanding building automation systems. This wall mount environmental sensor provides simultaneous detection of carbon dioxide (CO2), relative humidity, and temperature, delivering critical data to Sylk compatible controllers via the Sylk bus interface. Designed for professional HVAC ventilation control, the TR50 5D features a sleek design with a backlit LCD