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and 310 series units
The relay is typically mounted inside the furnace or fan coil cabinet using the provided self-tapping screws
or the system locking out shortly after the main burner ignites due to poor flame rectification signals
Operating on a 115V 60Hz power supply
Intermittent ignition or clicking without flame often points to a fouled Reznor 125251 assembly
Trane VAL8359 Valve 318973-401 and 310 series unitsThe Trane VAL8359 is a technical grade 6 ton heat pump reversing valve engineered to manage refrigerant flow direction with precision. Designed for both residential and light commercial integration, this 4 way reversing valve features 1 2" x 7 8" ODF sweat connections and is powered by a standard 24V solenoid coil. As a critical component in high capacity HVAC refrigeration cycles, it enables seamless switching between heating and cooling modes. The
