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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
the 311077 is rated for use in both hydronic and steam systems
For technicians performing routine preventive maintenance or teardowns
Versatile Sensing: Capable of monitoring positive
As a veteran-grade Reznor heater replacement part
utilizing a low-voltage control signal to engage high-voltage power leads
York S1-024-39713-000 Pressure Switch the 311077 is rated forThe York S1 024 39713 000 Pressure Switch is a critical safety component designed for precise monitoring of combustion air and exhaust venting in high efficiency HVAC systems. This 1. 10 WC pressure switch ensures that the inducer motor is moving sufficient air to safely vent combustion gases before the ignition sequence initiates. As the direct S1 024 35777 000 replacement, this OEM part maintains the specific factory spec calibration required for