Membrane Pad Replacement for All Pentair Mastertemp and Sta-Rite Pool Heater - 42002-0029Z / 472610Z. This high-quality membrane pad replacement is designed to be plugged into the Pentair Mastertemp 400 control board, restoring functionality when buttons malfunction or temperature adjustments are incorrect.

• How to Test: If the control board isn’t adjusting the temperature correctly or buttons aren't responding, the pad should be replaced.
• Compatible With: Works with Pentair Mastertemp 400, Mastertemp 300, Mastertemp 200, Mastertemp 125, and Sta-Rite heaters, including all HD models.
• Easy Installation: Directly plugs into the control board for a simple replacement.
• Durable Design: Built to withstand regular use, ensuring long-lasting performance for your pool heater.