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or a furnace pressure switch that fails to close despite receiving a call for heat
If the controller reports a "Sensor Fault" or shows out-of-range temperatures
Quiet Operation: Direct replacement for noisy
excluding specific 3-phase 5KW configurations
as an externally equalized TXV
Siemens Building Technology MXG461.40-20U Valve Els PW 29614 or a furnace pressure switchThe Siemens MXG461. 40 20U is a high performance 1. 5" modulating magnetic control valve engineered for precision in closed circuit chilled and low temperature hot water systems. Built as a heavy duty mixing or straight through valve, it features a factory calibrated magnetic actuator that eliminates the lag typical of motorized units, delivering a positioning time of less than 2 seconds. With a 23 Cv flow coefficient and a high 1: 1000 resolution,
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