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the 622258 and 622258R are technically identical in specifications
The Aaon R77150 Pressure Switch is a critical safety and monitoring component engineered for precision sensing in commercial HVAC systems
Broad Compatibility: Engineered for use across the York
While temporary patches exist
Note that the Honeywell 4074EPM is technically identical to the 4074EPM/U
Belimo FSAF24A-S Actuator THPU32HP7Y the 622258 and 622258R areThe Belimo FSAF24A S is a high torque fire and smoke damper actuator designed for On Off control in strictly regulated life safety applications. Engineered as the direct FSAF24 S replacement, this 24V spring return actuator provides 180 in lb of torque to ensure fail safe closure of dampers during power loss or fire alarm triggers. It features integrated dual auxiliary switches for precise end position feedback to the fire alarm control panel or BMS.