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A tank body O-ring helps create a seal at a compatible DE filter tank connection
A spa or pool filter cartridge helps keep circulating water cleaner by capturing suspended debris during filtration
Useful when the valve top is damaged or difficult to service
Supports cleaner travel consistency
Useful for replacement and maintenance work
Pentair UltraTemp/ThermalFlo Fan Evaporator Relay (473150Z) unicel A tank body O-ring helpsThis fan evaporator relay is an electrical control component for compatible Pentair UltraTemp and ThermalFlo heat pump systems. It helps manage power delivery to fan or evaporator related circuits so the unit can move air and transfer heat as designed. A failing relay may lead to intermittent fan operation, no fan response, inconsistent heating, or diagnostic issues that affect overall system reliability. Use this replacement when electrical
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