Comprehensive Seal Package: Comes with essential O-rings and silicone lubricant to ensure high-integrity seals during reassembly

For contractors troubleshooting ignition failure or pressure fault codes

As the direct replacement for Nordyne 664905R

Operational Safety: Provides the precise thermal feedback necessary to avoid scalding risks and equipment damage from overheating

Enhanced Cathodic Protection: High-grade magnesium construction provides superior protection against galvanic corrosion in hard water environments

Field Controls 602609900 Circuit Board Kit 321894-708 Comprehensive Seal Package: Comes withThe 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.