Maxitrol KVOP-4 Vent Dampener 319852-301 This sidewall venter is compatible

This sidewall venter is compatible with millivolt systems and standard electronic ignitions

This architecture ensures smooth modulating water valve performance and protects against hydraulic shock and water hammer

The orange lead wires provide immediate identification for 24V/50-60Hz field wiring

It is a standard component for damper actuator linkages

For steam applications up to 15 psi

Maxitrol KVOP-4 Vent Dampener 319852-301 This sidewall venter is compatibleIf you are dealing with a surging regulator on a high flow setup, the Maxitrol KVOP 4 Vent Dampener is the specific field fix required for the 325 7A, 325 7AL, 325 9, and 325 9L series line pressure regulators. As a veteran HVAC technician knows, heavy duty regulators can experience hunting or oscillation during rapid load changes; this venting accessory acts as a pneumatic snubber to stabilize the diaphragm response without sacrificing lock up