normally open air switch for sale, brand-new and used.

12V Vibration Sensor Adjustable Switch Delay Module Free Shipping With Track Number

The Chalwyn/Roda Deaco REVGUARD Speed Switch continuously monitors engine RPM.

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BRAND NEW 3/4" TACO Z075T2-2 ZONE SENTRY VALVE NORMALLY CLOSED (THREADED) NOTE: Image may not depict actual product This listing is for a brand new Taco V075T2-2 ZONE VALVE. Taco Zone Sentry Zone Valves provide on-off, normally open or normally closed control in both open and closed hot or chilled water systems. The valves can be used in a wide variety of heating and cooling applic

BRAND NEW 3/4" (Z075P2-1) 2 WAY TACO ZONE SENTRY VALVE NORMALLY CLOSED (PRESS) NOTE: Image may not depict actual product This listing is for a brand new Taco Z075P2-1 ZONE VALVE. Taco Zone Sentry Zone Valves provide on-off, normally open or normally closed control in both open and closed hot or chilled water systems. The valves can be used in a wide variety of heating and cooling applications, primarily designed for use with fan coils, radiators, convectors,

i000000 Hand-held Mini Portable Precision Formaldehyde Monitor / Multi AIR Detector

Dwyer Series 1800 Pressure Switch – New Series 1800