By maintaining the correct venting velocity

For technicians servicing GSI or MC equipment

this drive prevents standby heat loss by closing the flue pipe when the burner is off and ensures safe venting by confirming the open position through an integrated end switch before ignition occurs

and 7021-11901

and commercial reach-in freezers

Resideo VCZML6100 Valve R-22 By maintaining the correct ventingThe Resideo VCZML6100 is an industrial grade, 3 way hydronic cartridge valve designed for precision control in high demand HVAC applications. Engineered for compatibility with VC series on off actuators, this valve features a 3 4" sweat connection and a robust 6. 6 Cv flow coefficient. The construction utilizes a durable bronze body and a stainless steel stem, ensuring longevity when managing chilled or hot water systems. With an EPDM O ring seal and