the valve assembly must be purchased separately if needed

the 5985 model is engineered to handle the stall-type demands of VAV systems

which features narrower tolerances and specialized lubrication to ensure quieter operation and lower vibration levels compared to general-purpose industrial bearings

All-Purpose Type W Pattern: Engineered to provide versatility in various burner air patterns

The Carrier 06DA660065 Service Valve is an essential OEM component specifically engineered for suction side regulation in high-demand refrigeration and HVAC applications

Dwyer Instruments 1996-20 Pressure Switch 319847-401 the valve assembly must beThe Dwyer Instruments 1996 20 Pressure Switch is a high performance, compact solution engineered for precise pressure monitoring in gas fired furnaces and industrial combustion equipment. This gas pressure switch utilizes a sensitive silicone diaphragm to detect pressure changes in the 4 to 20" w. c. range with high repeatability. Designed for versatile integration, the 1996 20 features a dual threaded bottom connection that provides both 1 8" female