Dwyer Instruments 1638-10 Pressure Switch R-22 Verify there is no moisture

Verify there is no moisture buildup in the conduit or probe head

15-inch OD profile is designed for maximum belt contact to prevent HVAC belt slippage

When you're servicing high-efficiency units like the Lochinvar Knight XL or A

Do I need specialized adhesives for the insert connection

and high settings

Dwyer Instruments 1638-10 Pressure Switch R-22 Verify there is no moistureThe Dwyer Instruments 1638 10 Pressure Switch is the commercial standard for high precision monitoring of air and non combustible gases. Engineered with a large diaphragm, this Series 1630 switch provides the low range accuracy required for critical HVAC duct air control and damper positioning applications. It operates within a 3" w. c. to 12" w. c. range with a 0. 11 0. 30 approximate deadband, ensuring a reliable differential pressure response