ensuring stable modulation and linear heat transfer in hydronic systems

Its construction utilizes a high-grade stainless steel power element and sensing bulb

the Watts LF600-3/4 supports both horizontal and vertical upward-flow orientations

and Payne valve bodies

Efficient Cooling: The ODP enclosure allows for maximum air circulation

York S1-331-03514-000 Control Board Kit 318172-701 ensuring stable modulation and linearThe York S1 331 03514 000 Control Board Kit is an essential OEM service part designed for precise management of 24V furnace sequences and system wide communication. As a veteran grade HVAC control board replacement, this kit integrates advanced logic to regulate the ignition sequence, blower motor timing, and critical safety circuits. Engineered for York, Coleman, and Luxaire residential and commercial units, it ensures that your equipment maintains