Modine 5H0547510021 Orifice 320074-702 typically nitrile (Buna-N) or Viton

typically nitrile (Buna-N) or Viton

When you are troubleshooting a Reznor unit heater that keeps tripping on its thermal link

including model series like the BP240E54S4AAA1

Designed with 0 seconds of pre-purge (0sPP)

The rejection tip ensures that the branch circuit is protected by a Class CC fuse capable of high-fault interruption

Modine 5H0547510021 Orifice 320074-702 typically nitrile (Buna-N) or VitonThe Modine 5H0547510021 Orifice is a precision engineered Natural Gas Main Orifice designed for consistent gas flow regulation in commercial and industrial Modine heating units. As a critical component in the burner manifold assembly, this orifice is calibrated to maintain the specific manifold pressure required for efficient combustion and clean flame characteristics. Built from high grade, corrosion resistant brass, it ensures long term reliability