Modine 5H0750300004 Pressure Switch 30067439-890 this NTC thermistor sensor monitors

this NTC thermistor sensor monitors water temperatures exiting the heat exchanger to prevent overheating and ensure the control board receives accurate resistance data

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

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

matches these specs before installation

For accurate duct temperature monitoring

Modine 5H0750300004 Pressure Switch 30067439-890 this NTC thermistor sensor monitorsEnsure 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