whereas standard relief valves typically open proportionally for liquids

ensuring compliance with local energy codes

Direct OEM Compatibility: Verified as the functional upgrade and successor to the Aaon P97420 pressure switch

This Allanson transformer is built to meet exact OEM specifications

Maxitrol TD294E-609-0818 Temperature Selector Freon whereas standard relief valves typicallyThe Maxitrol TD294E 609 0818 is a specialized dual remote temperature selector engineered for the Selectra Series 94 modulation systems. This controller is the industry standard for direct fired burners and make up air units, specifically where distinct operating phases are required. It features two independent adjustment dials: a low range 60 to 90F scale and a high range 80 to 180F scale. This configuration is critical for paint spray booth