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Improves replacement accuracy and long-term usability
Improves system reliability and overall repair confidence
making it a strong upgrade for pools that need better performance management and smarter equipment control
and PLBS100 references
or access as applicable
Pentair UltraTemp 8 Ton 97 PSIG Thermostatic Expansion Valve (473787Z) caps Improves replacement accuracy and long-termThis 97 PSIG thermostatic expansion valve is used in compatible 8 ton Pentair UltraTemp heat pump systems to help regulate refrigerant flow through the evaporator circuit. Proper metering is important for heat transfer, compressor protection, and stable heating performance. When a TXV is restricted, damaged, or no longer responding correctly, the system may show poor efficiency, pressure imbalance, or unreliable operation. This component is intended
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