Honeywell Commercial ML6421A1017 Valve ActuatorThe Honeywell ML6421A1017 Valve Actuator is a robust, 24 VAC SPDT, direct coupled electric actuator designed for precise HVAC control. This 2 position, floating, linear device features a non spring return mechanism for accurate valve positioning across commercial HVAC systems. Engineered for reliability, it delivers up to 405 in lb of torque, a 3 4 inch stroke, and a 95 second timing cycle, all within a rugged IP54 enclosure. With a 24 V AC input and

Engineered as an OEM-compatible replacement part

Ideal for gas valve

enabling centralized monitoring

wide pressure ranges by media (air/inert gas 5–200 PSI AC / 5–125 PSI DC

Connection: Conduit

and hearth appliances

the NRF-22 is ready for quick installation and long-term service in your heating system

As a direct Beckett replacement

OEM-grade rebuild components for reliable performance

it features a 3

dual barb air connections for easy plumbing

it supports steady drainage and helps prolong the life of nearby components