the MK-3141 pneumatic actuator handles a maximum air pressure of 30 psig and operates via standard 1/8" FNPT air connections

one set of contacts on the Heat Sequencer Time Delay Rly is dedicated to energizing the blower motor to ensure airflow before the elements reach peak temperature

making it a versatile solution for maintenance and repair in demanding environments where consistent flow verification is mandatory

If you experience nuisance shutdowns or the "Low Water" light persists despite proper levels

Optimized Power Draw: Engineered for 120V circuits to ensure clean actuation and minimal electrical noise on the control loop

Schneider Electric (Barber Colman) CP-8391-716 Actuator Drive 30067439-890 the MK-3141 pneumatic actuator handlesThe Schneider Electric (Barber Colman) CP 8391 716 Actuator Drive is a precision electronic interface designed for proportional control of reverisble electric actuators. This specific drive is factory set for a 4 to 20 mAdc input signal, providing a seamless bridge between modern controllers and vintage or current terminal equipment. Engineered for versatile field installation, it supports dual voltage configurations of 120 Vac or 240 Vac, ensuring