Supco SMR410 Pressure Switch 320788-702 this metal impeller is essential

this metal impeller is essential for maintaining the correct static pressure and flue gas velocity required for safe combustion cycles

it eliminates the risk of field-wiring errors and high-resistance connections that lead to nuisance lockouts

provided the system match is verified via the unit's serial number

reducing high-side pressure to facilitate optimal heat absorption within the evaporator coil

Supco SMR410 Pressure Switch 320788-702 this metal impeller is essentialThe Supco SMR410 High Pressure Switch is a mission critical safety component engineered for HVACR systems requiring a hard cut out pressure at 410 PSI. This manual reset pressure switch provides robust overpressure protection for compressors and condensers by opening the circuit on pressure rise. As a veteran grade SPST high pressure switch, it is the direct replacement for P100DA 1, 43313, and 5709, ensuring seamless integration for field service