Pay in 4 interest-free payments of $150.42 Learn more
Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
and oil-free to prevent clogging of the bi-metal element or internal restrictors
Durable Construction: Built with industrial-grade materials to withstand frequent thermal cycling in high-traffic environments
Precise Calibration: Fixed
significantly reducing pneumatic system lag
The specific K factor for the SSS-1002 model is 3450 when used for calculating "Feet Per Minute" (FPM) velocity in most standard controller setups
Lochinvar & A.O. Smith 100277781 Control 320788-702 and oil-free to prevent cloggingThe Lochinvar 100277781 Control (Model FB751 1251) is an integrated control board engineered specifically for Crest Heating Boilers. As a critical OEM replacement part, this module manages the firing sequence, ignition control, and safety parameters for high efficiency hydronic systems. This model is a direct boiler part replacement for units with serial numbers beginning with 4015, ensuring seamless integration with existing HVAC wiring harnesses and
US$ 198.00
US$ 112.00
US$ 125.00