Product Overview
The 476223 Ignition Control Module is a genuine OEM replacement part engineered for Pentair’s MasterTemp® and Max-E-Therm® series pool and spa heaters. This module manages the ignition process, flame sensing and burner safety functions—restoring reliable start-up and efficient operation when the original control board fails or malfunctions.
Ideal For
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Service technicians repairing a MasterTemp® or Max-E-Therm® heater where ignition or flame detection faults are present.
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Pool & spa owners whose heater is showing ignition failure codes, flame-sense errors or inconsistent burner startups.
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Installations that aim to restore full safety and performance without replacing the entire heater unit.
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Maintenance programs looking to stock the key control module spare for high-usage heaters.
Key Features
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OEM Certified Replacement – specifically designed for Pentair MasterTemp® and Max-E-Therm® heaters, assuring fit and functionality.
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Ignition & Flame Sensing Control – manages safe burner ignition and flame-sense feedback for reliable heater operation.
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Drop-In Design – direct fit replacement, no major modifications needed when matching compatible heater models.
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Quick Installation – engineered for efficient service turnaround to minimize heater downtime.
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Durable Electronic Module – built for heavy-duty outdoor pool-heater environments and extended service life.
Customer-Facing Q&A
Q: How do I know I need this module?
A: If your heater is failing to ignite, is showing flame sensor errors, shutting off prematurely, or has no flame indication despite correct fuel and electrical supply, the ignition control module may be the cause.
Q: Will this module work with any heater?
A: It works with compatible Pentair MasterTemp® and Max-E-Therm® heaters. Always verify your heater’s exact model and serial number before ordering to ensure compatibility.
Q: Is the installation difficult?
A: It’s best performed by a qualified technician. The module connects to the burner assembly, ignition wiring and flame-sense system; correct wiring and setup are essential for safe operation.
Q: Does replacing this restore full heater efficiency?
A: Yes—replacing a faulty ignition module restores proper ignition, flame sensing and safe burner operation, which in turn restores heater performance and reliability.
Q: Should I replace anything else at the same time?
A: While the module itself often resolves ignition/MOD issues, it’s wise to inspect related components—ignitor, flame sensor probe, wiring harness and burner condition—during service to avoid repeat failures.