



TECMARK 1-5 PSI 1/8 NPT PRESSURE SWITCH - 3903-BP
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
TECMARK 1-5 PSI 1/8 NPT PRESSURE SWITCH - 3903-BPThe 3903BP pressure switch from Tecmark (also sold under part numbers like 5200008, TDI3903BP) is a simple, reliable safetyrelated component used in spa and hot tub control systems. It monitors water pressure in the heater or plumbing system and sends an electrical signal when the correct pressure (flow) is present, helping the control board manage heater operation safely. Tecmark 15 PSI 1 8 NPT Pressure Switch 3903BP Reliable Flow Pressure Detection
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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