the valve assembly must be purchased separately if needed

Use an appropriate single-stage switch for those applications

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

the pilot burner failing to light

The use of corrosion-resistant 300 series stainless steel ensures long-term structural integrity and reliable response to fluid velocity in liquid flow lines carrying water or ethylene glycol

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