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Tecmark 4037P Pressure Switch

Original price was: $33.60.Current price is: $19.63.

SKU: YOLS8864 Category:

Description

Replaces the heater pressure switch on pool, spa, and hot tub systems that use a 1/8″ MPT port – Tecmark 4037P. It proves water flow by closing at the set pressure to enable the heater, then opens on low pressure to protect it from dry firing. OEM SPST switch with an adjustable set screw for dialing in the trip point.