Modine 5H0750300004 Pressure Switch 30067439-890 it installs directly into the

it installs directly into the existing mounting location within the heater’s limit circuit housing

For accurate duct temperature monitoring

The MARS 39004 is a professional-grade 390 Series SPDT Changeover Switch designed for automatic seasonal transition in hydronic heating and cooling systems

you will need a separate synchronous motor or a complete replacement head

Modine 5H0750300004 Pressure Switch 30067439-890 it installs directly into theEnsure your Modine unit heater performs at peak efficiency with this Modine 5H0750300004 Pressure Switch. As a veteran grade OEM replacement part, this SPST pressure switch is factory calibrated to a . 40" WC setpoint, providing critical safety monitoring of the inducer motors draft. When your heater throws a diagnostic codetypically a one flash or two flash LED signal on the integrated control boardit often indicates a failure in the combustion air