Pentair UltraTemp 8 Ton 97 PSIG Thermostatic Expansion Valve (473787Z) vaclesssystems 5 amp draw and 48Y

5 amp draw and 48Y square-flange configuration

Useful when partial replacement is not enough

Hayward variable-speed Super Pump

26 inch 60 micron mesh design

Matching the correct adapter size helps improve fit

Pentair UltraTemp 8 Ton 97 PSIG Thermostatic Expansion Valve (473787Z) vaclesssystems 5 amp draw and 48YThis 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