Omega’s PSW27V Series. Factory set vacuum switches direct from USA Manufacturer. 1/8 NPT male.

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 series pressure switches.