As a direct replacement for 22-100000-551

the MOD2258 utilizes an integrated ECM motor controller to maintain consistent CFM across varying static pressures

vibration-resistant fit for 0

9 and an integrated characterizing disc

Technicians usually set the first stage of unloading to respond as suction pressure drops below the design set point

Siemens Building Technology 599-02012 Valve 321894-709 As a direct replacement forThe Siemens Building Technology 599 02012 is a professional grade 2 way normally closed globe valve designed for precision control in terminal unit applications. Built with a heavy duty forged brass body and brass trim, this 3 4" NPT valve is engineered for high demand HVAC systems utilizing hot water, chilled water, or 50% glycol solutions. For contractors requiring accurate modulation, the unit features a 6. 3 Cv flow coefficient with a modified