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Can this actuator be used in 4-20 mA control loops
causing it to fail closed
As the direct replacement for Hydrotherm 02-5208
always mount the Pressuretrol controller on a steam trap siphon (pigtail)
Precise Sensing: High-accuracy NTC thermistor assembly ensures the controller accurately tracks boiler temperature for safety limit and circulator control
Weil McLain 383-500-665 Control Module Freon Can this actuator be usedThe Weil McLain 383 500 665 Control Module is the professional grade U Control Upgrade Kit engineered specifically for Ultra Series 1 and Series 2 gas boilers. This OEM boiler control board is a comprehensive field integration solution, serving as the official 383 500 191 replacement. It is critical for technicians to note that this is an upgrade kit, not a standard drop in component. The 383 500 665 provides advanced diagnostics and enhanced ignition