Omega P/N PSW27V-40W Direct from USA Manufacturer. 1/8 NPT male. Factory set vacuum switch at 40 inches of water rising.

Tinytrol vacuum switches provide versatile and convenient sensing. Their miniature size and variety of connection styles for simple implementation into any system. These switches allow for simple electrical on/off control over vacuum. As negative pressure rises or falls, one contact opens as the other closes. This provides a perfect solution for monitoring, controlling, and notifying. Vacuum switch is factory set. Adaptor available to enable Tinytrol® retrofit for certain competitors’ models with small diameter mounting thread.

Presair factory set vacuum switches are a direct replacement option to Omega’s PSW27V-40W series pressure switches.

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