Field Controls 602609900 Circuit Board Kit 321142-301 Both versions maintain the same

Both versions maintain the same DC310v 160W electrical profiles and physical dimensions for direct replacement

This is a non-bleed thermal expansion valve

Redundant Valve Design: Features dual internal seating for enhanced safety and strict adherence to fuel-gas codes

Key Benefits Precise Draft Calibration: Fully adjustable from

Which valve series is the 30685566-003 adaptor compatible with

Field Controls 602609900 Circuit Board Kit 321142-301 Both versions maintain the sameThe Field Controls 602609900 Circuit Board Kit, also known as the CK 63 Control Kit, is a specialized 120 VAC interface engineered specifically for oil fired heating appliances coupled with SWG Series Power Venters or Field Draft Inducers. This technician grade replacement board (part number 46399200) serves as the primary solid state logic for managing the post purge cycle, effectively exhausting residual flue gases once the thermostat is satisfied.