Dwyer Instruments TSW-150 Temperature Switch 321894-708 Typical failures result from moisture

Typical failures result from moisture or debris in the collector box pressure tubing or a cracked housing

you should expect 25 to 30 mV

Key Benefits for the Contractor Universal Compatibility: Includes an adapter to convert threaded thermocouple/thermopile connections (2CH) to snap-in types (2C)

As a veteran-grade HVAC compressor accessory

eliminating the need for extensive line modification

Dwyer Instruments TSW-150 Temperature Switch 321894-708 Typical failures result from moistureThe Dwyer Instruments TSW 150 is a rugged Single Stage Weatherproof Digital Temperature Switch engineered for reliable performance in demanding environments like walk in coolers, chillers, and wood boilers. This unit features a NEMA 4X (IP66) housing, making it ideal for outdoor or washdown heavy technical applications. Operating with a 90 to 255 VAC power supply, it provides high amperage switching via an SPDT relay rated for 20A at 240V and a 2HP