What does the 'C' charge signify for this TXV

Precise Adjustment: Equipped with a visible "Sight-Set" calibrated scale for easy setpoint verification without removing the cover

this relay ensures an exact fit and function within the control circuit

High-Temperature Durability: Constructed with Alumina ceramic insulation to resist cracking under intense heat

the MARS 34620 Restring Kit provides a reliable

Armstrong Furnace R44957-001 Control Els PW 17895 What does the 'C' chargeThe Armstrong Furnace R44957 001 Control is a critical OEM replacement ignition blower control designed to manage the combustion and air circulation cycles in high efficiency heating systems. Specifically engineered for Armstrong Air and AirEase furnaces, this integrated furnace control board synchronizes the inducer motor, igniter, and blower fan to ensure safe and reliable unit operation. By precisely regulating the furnace ignition sequence, the