Modine 5H0735910008 Pressure Switch 30067439-890 Known as the 3TA223 model

Known as the 3TA223 model

a 300 degree fuse link is provided

ensure the sealing surface is wire-brushed clean for the best metal-to-gasket contact

it secures directly to the motor shaft via a robust hub mount

What do the orange wires indicate

Modine 5H0735910008 Pressure Switch 30067439-890 Known as the 3TA223 modelThe Modine 5H0735910008 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency heating systems. This SPST furnace pressure switch is factory calibrated to a . 8" WC set point, ensuring reliable performance by verifying proper inducer motor operation and venting pressure before allowing the ignition sequence to proceed. As the 5H73591 8 direct replacement, this OEM component maintains system