This kit restores the integrity of the heat exchange process

Precise Calibration: Set to trigger at 150 PSI and 210°F to prevent tank rupture or dry-fire scenarios

if the compressor cannot pull into a vacuum or if the discharge pressure bleeds back into the suction side quickly after shutdown

which causes pitting

While often the fix for signal loss

Aprilaire 4028 Drain Trap Assembly 323269-701 This kit restores the integrityThe Aprilaire 4028 Drain Trap Assembly is a critical replacement component designed specifically for the Aprilaire Model 800, 865, and 866 series steam humidifiers. This professional grade humidifier drain trap kit ensures the efficient removal of condensate, preventing water backup and protecting your HVAC system from potential moisture damage. Engineered for steam humidifier maintenance, the assembly includes a high durability Aprilaire 4028 trap, a