The A70HA-1 serves as the direct replacement for the 2284-900 and A19AAC-1

this unit features a solid core composition consisting of 80% molecular sieve and 20% activated alumina

Can I use this for 4-20mA control signals

you can calibrate the 160 to 260 PSI range to match your system’s required head pressure

Most technicians use this to verify the board switches the reversing valve and engages the auxiliary heat signal at the X2 terminal

Trane KIT12450 Cartridge 326058-757 The A70HA-1 serves as theThe Trane KIT12450 is a high precision 3 way valve cartridge designed for seamless integration into hydronic HVAC systems. Engineered to handle a flow coefficient of 0. 6 Cv, this component ensures stable and accurate fluid regulation, which is essential for maintaining system balancing and thermal efficiency in commercial and industrial air handling equipment. Built to rigid OEM specifications, the assembly features a 20# spring mechanism to provide