This specific York circuit board replacement serves as the direct upgraded successor to the 331-03478-002

By integrating these DPDT load contacts

ensuring exceptional durability in closed-loop systems

it features a 6-1/2 foot PVC cable and a stainless steel sensing bulb to withstand moisture-heavy environments like walk-in coolers and display cases

the Beckett Igniter 5780 Electrode Kit is the industry-standard solution for restoring a crisp

Resideo V4044A1001 Zone Valve 318518-761 This specific York circuit boardThe Resideo V4044A1001 is a robust 120Vac three way diverting zone valve designed for hydronic systems requiring precise flow control between two different circuits. Engineered with a 1 2 inch flare connection and a 4. 0 Cv flow coefficient, this unit effectively manages fluid temperatures ranging from 40F to 200F. The construction features a durable brass body, a stainless steel stem, and EPDM rubber packing O rings to ensure long term seal