Reznor 136963 Venter 321142-301 High Temperature Support: Equipped with

High Temperature Support: Equipped with a thermal barrier to protect the actuator electronics in high-temp hydronic environments

which is a requirement for many gas-fired applications to allow for pressure relief in the event of a momentary downdraft

preventing housing cracks and bolt-shearing common in older units

verify your capacitor rating—typically a 10 MFD/370V for this class—as a weak capacitor is the leading cause of premature winding failure

Whether you are servicing a Barber Colman MA-418-0-0-4 or another variant in the 418 series

Reznor 136963 Venter 321142-301 High Temperature Support: Equipped withThe Reznor 136963 is a critical venter motor assembly designed specifically for Reznor unit heaters, ensuring proper flue gas evacuation and combustion air flow. This 115V venter motor operates on a 1 phase power supply and features an integrated 24V relay, streamlining the control interface with the units thermostat and ignition sequence. Engineered for compatibility with specific Reznor F and B series heaters, the 136963 serves as a direct