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Featuring a robust chrome-plated brass body and a distinctive red faucet handle for high-temperature identification
Which furnace models use this specific restrictor
the A-4000-138 features a factory-installed pressure relief valve set at 25 psig
This HVAC replacement part is built for structural integrity
this flange ring clamping plate is the standard specification for the 243S series
Aaon P59920 Pressure Switch 326070-701 Featuring a robust chrome-plated brassThe Aaon P59920 Pressure Switch is a high performance HVAC high pressure cutout switch engineered specifically for technical reliability in demanding commercial environments. This Aaon OEM replacement part features a precise manual reset (M R) mechanism set to trigger at 420 PSI, providing a critical layer of safety for refrigeration circuits. Designed as a high limit safety control, the high pressure switch 420# protects your system by interrupting