Maxitrol KVOP-3 Vent DampenerMaxitrol KVOP 3 is a vent dampener designed for use on the 325 5 and 325 5L series furnaces. This reliable vent dampener helps regulate draft and airflow, delivering consistent combustion and safer operation across heating systems. As a durable Maxitrol replacement part, KVOP 3 integrates with existing venting assemblies and performs reliably in HVAC and furnace applications. It is engineered for easy installation and long service life, helping

Fan coil unit

and the included pins simplify mounting and maintenance

Groups A–D compliant

it guards blades and housing from debris while preserving airflow

fast fault response

more efficient fuel management for industrial oil tanks

this motor maintains consistent fan speed to safeguard the compressor

delivering precise 60-85°F temperature control for gas-fired heating systems

making it a trusted choice for maintenance and service of gas-fired units

24V thermostat compatible with conventional furnaces and heat pumps for versatile control

and ISO 9001

ensuring adequate power for standard blower duty