Tecmark Pressure Switch [SPNO 25A Plastic] (3113P) deltauv while the remote FloThru design

while the remote FloThru design helps preserve the original water-flow and installation relationship of the system

Improves service confidence and reel reliability

refreshing the correct seal can make a meaningful difference in the quality of the rebuild

Helps regulate internal water flow through the heater

Tecmark Pressure Switch [SPNO 25A Plastic] (3113P) deltauv while the remote FloThru designTecmark Pressure Switch [SPNO 25A Plastic] (3113P) is a Tecmark replacement pressure switch used in compatible spa and hot tub control systems. Pressure switches help monitor water flow or pressure conditions so equipment can operate with the intended safety logic and control response. A failing or mismatched pressure switch can contribute to heating errors, equipment interruptions, or unreliable system operation. This replacement is intended for