Regulators

Twistlock FlatTM

Hand twist locking Damper Handle for 3/8″ shaft.  Sits flat against duct when no standoff is needed.

Twistlock HVAC Regulator

Built-in bushing for speedy assembly

Infinite range of control

Hand operated no tool needed

Engineering polymer knob grips metal for superior lock

flat-twistlock-2
Twistlock HVAC Regulator
Twistlock HVAC Regulator
Twistlock HVAC Regulator
Twistlock HVAC Regulator

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