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Our focus is replacement parts for hot tubs, fireplaces, BBQ grills and pools. We organize product information around what matters when you are replacing a part—compatibility, part numbers and specifications—so you can make a more informed purchase.
Watkins Spa Pressure Switch Hot Spot & Solana 71586 / 3903. This pressure switch (looks like a radiator thermostat) is a safety device that screws into the heater that will shut down the heater if a "low water flow" condition occurs.
Key Features:
- PRESSURE SWITCH REMOVAL
- This is for a Single Item
- RE-INSTALLATION
- 3902 is also a replacement
- Part/SKU: 71586
Important Notes:
- NOTE: Wrap one piece of Teflon tape (in the opposite direction of the threads) three times around the pressure switch threads before installation.
