while the 1/4" NPT left-side pilot tap and dual 1/8" NPT pressure taps allow for precise manifold pressure adjustments during commissioning

the EM3710T is inverter ready per NEMA MG1 Part 31

Common Questions & Technical Support: Does this valve come with the electrical coil

this system ensures proper combustion by venting flue gases directly through an exterior wall

this steel-body shell includes an epoxy powder coating for superior corrosion resistance in demanding environments

Aprilaire 4983 Drain Valve 340155-7026 while the 1/4" NPT left-sideThe Aprilaire 4983 Drain Valve is a critical OEM replacement part engineered specifically for high performance Aprilaire Model 800 series steam humidifiers, including models 800, 865, and 866. This precision built component is essential for managing humidifier water drainage, ensuring that sediment and mineral rich water are efficiently evacuated from the steam canister. By maintaining regular flush cycles, the Aprilaire 4983 prevents mineral buildup