Precise Proportional Control: Utilizes a 2-10VDC signal to provide exact modulation of HVAC dampers and valves

ensuring seamless integration with existing fan wheels and electronic control boards without the need for field modifications or bracket reconfiguration

Incorporating this OEM part during routine maintenance or after a system opening ensures the refrigerant charge remains within specified purity levels

test the millivolt output of the thermocouple and check for carbon deposits on the electrode

Corrosion Resistance: Heavy-duty galvanized coating prevents rust and oxidation in high-moisture air streams

Johnson Controls P266ABA-100 Control 328140-751 Precise Proportional Control: Utilizes aThe Johnson Controls P266ABA 100 is a specialized single phase condenser fan speed control designed to optimize head pressure management in HVACR refrigeration systems. Engineered for 208 240 VAC applications, this unit provides precise modulation for permanent split capacitor (PSC) motors, effectively replacing legacy P66 and P215 series controls with superior digital accuracy. Rated for a maximum output of 8 amperes, the P266ABA 100 utilizes three