A 440V capacitor will provide a longer service life in a 370V application due to its higher dielectric strength

OEM Reliability: Built with factory-validated materials to ensure long-term pressure regulation stability without drifting

Universal Compatibility: Mounts directly to round shafts up to 3/4 inch or square shafts up to 5/8 inch

which reduces burner stress and "rollout" spikes common in high-output boilers and heaters

as an official Source 1 service part

Daikin-McQuay 4018364 Thermister Assembly 326070-701 A 440V capacitor will provideThe Daikin McQuay 4018364 Thermister Assembly is a high precision HVAC temperature sensor engineered for critical environmental monitoring in commercial and residential heat pump systems. As a genuine OEM replacement part, this thermistor assembly ensures seamless integration with control boards to mitigate inaccuracies that lead to short cycling or inefficient compressor operation. Built to rigorous Daikin McQuay engineering standards, the 4018364