Aftermarket Replacement for Pentair® Heater High Limit Switch

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These aftermarket replacements for the two Pentair® 071017 High Limit Switches are important switches in your MiniMax® or PowerMax® pool heaters| and are used to detect when your w ater temperature has exceeded a safe level (150°F) and immediately opens the heat exchanger outlet when that happens. Your Pentar® MiniMax® heater will indicate when it is time to replace the High Limit Switch when the "SERVICE" LED is displayed. It also may be time to replace your MiniMax® High Limit Switch if all 3 lights on the back of the control board are on and one or both of the switches shows an open circuit (given proper water flow through the heater). See the troubleshooting section of the MiniMax® Service Manual. Features: Compatibility: Pentair® MiniMax® and PowerMax® Heaters Replaces: 071017, P12848 Specifications: Manufacturer: Optimum Pool Technologies, Inc. Model: HLS-P-MMX-150 Shipping weight: 1 lbs. Show more