Resideo MARD-12 Damper R-22 The 8215G63 is a normally
Yard notes & kiln story
Description
Resideo MARD 12 Damper R 22 The 8215G63 is a normally The 8215G63 is a normally open valve typically used for venting Contractor Friendly Install: Simple two wire terminals with an optional M4 terminal for LED position indication