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For saturated steam applications
What are the voltage and amp ratings for the AT-603
Precision Thermal Calibration: Fixed 117°C trip point provides a reliable high-temperature cutout to protect sensitive furnace and air handler components
the D9620 will restore the necessary static pressure to close the furnace pressure switch and initiate the ignition sequence
Viessmann 7427419 326058-755 For saturated steam applicationsThe Viessmann 7427419 is a direct OEM Control Console WB1B 26 engineered specifically for the Vitodens 100 W series condensing boilers. As a critical interface for the WB1B 26 boiler control system, this unit facilitates precise modulation and operational oversight, ensuring the hydronic system maintains peak thermal efficiency. The console features a technical digital display for boiler diagnostics and manual rotary selectors for adjusting heating
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