the Lennox 46K18 ensures optimal fuel-to-air mixing for clean ignition

Check the HVAC model number on the rating plate of your air handler

Key Benefits: Dual-Stage Precision: Monitors both high and low air pressure thresholds to ensure 2-stage furnace operation remains stable

Operating on **208-230Vac** with **three-phase** power

the B5268 serves as the sensing element for both low and common water levels within the level canister

Watts 0383544 Relief Valve 319825-402 the Lennox 46K18 ensures optimalWhen you are in the field servicing a commercial hydronic system, you need a high capacity boiler pressure relief valve that provides consistent, fail safe performance. The Watts 0383544 is an industrial grade 1 1 2 inch relief valve designed specifically for hot water space heating applications. Engineered with a rugged iron body and a 36 psi fixed set point, this valve delivers a massive discharge capacity of 2,310,000 BTU hr, ensuring it can handle