Siemens Building Technology 243-0024 Reversing Relay 320720-756 the Carrier HK680025 is the

the Carrier HK680025 is the direct engineering update for the HK42FZ029

Durable Construction: Heavy-duty metal fins designed to handle the high static pressures common in packaged unit parts

The 1/4 inch NPT pressure connection and internal hex adjustment allow for rapid

you must confirm the bolt-hole diameter and arm reach against your original Heil Quaker part number to ensure a secure fit

Siemens Building Technology 243-0024 Reversing Relay 320720-756 the Carrier HK680025 is theThe Siemens Building Technology 243 0024 Reversing Relay is an essential pneumatic component designed for precise signal inversion within building automation systems. Built with a glass filled nylon housing for professional grade durability, this reverse acting pneumatic relay delivers a proportional output signal that varies inversely with the input. Engineered for high demand environments, the unit features a field adjustable spring range of 10 to