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Does this unit include the internal check valve
a professional-grade solution for standing pilot applications
Dual Signal Compatibility: Operates on either 24Vac or 24Vdc power supplies
It is essential to use the specified 140-200F limit control
Sporlan 903111P Control Valve 320788-704 Does this unit include theThe Sporlan 903111P is a heavy duty LAC 4 295HP head pressure control valve designed specifically for low ambient operation in high pressure systems. Featuring 3 8" ODF connections, this three way modulating valve maintains stable head pressure by restricting liquid flow from the condenser while diverting hot gas directly to the receiver. This critical action prevents low suction pressure and evaporator icing, ensuring consistent refrigerant mass flow
