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and emergency response
• Replaced by SS-PHOTO
Adj Mounting
User-friendly mounting bracket fits newer valve yokes
Universal mounting plate with an onboard shorting spring that tests wiring continuity before devices are installed
Potter PS40-2 Supervisory Pressure Switch with Two Sets SPDT Contacts Silent Knight and emergency responsePotter PS40 2 PS40 Series Supervisory Pressure Switch with Two Sets SPDT Contacts PS40 2 Pressure Switch with two sets SPDT contacts P N1340404 The Potter PS40 Series Supervisory Pressure Actuated Switches are designed primarily to detect an increase and or decrease from normal system pressure in automatic fire sprinkler systems. Typical applications are: Dry pipe systems, pre action air nitrogen supervision, pressure tanks, air supplies, and water
US$ 200.00
US$ 32.99
US$ 46.99