The Hydro Quip 1 Amp SPST 1/8" Pressure Switch, part 34-0178A, is a reliable pressure switch designed for precise pressure control in spa systems. With its 1/8-inch connection and 2 PSI activation, this switch ensures accurate monitoring and regulation of system pressure.

Specifications:

• Brand: Hydro Quip
• 1 amp SPST pressure switch, 2.0 PSI activation
• 1/8" pressure switch tap compatible threads
• Also known as 510AD0249
• Part no. 34-0178A

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Returns & installation: Confirm your spa's pressure switch fitting and electrical rating requirements match before ordering, as electronic parts are non-returnable once installed. Installation should be performed with power disconnected, per your spa's service manual.

FAQ

Q: How do I know if this switch needs replacing?
A: A pump that won't engage, or a heater that fails to activate despite adequate water flow, can indicate a failing pressure switch.

Q: What does the 2 PSI rating mean?
A: The switch activates once water flow generates 2 PSI of pressure, confirming adequate flow before allowing heater or pump operation.