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For a reliable field install
and a standard 1/4" NPT connection
this component reaches the necessary incandescent temperatures to safely light gas burners
this Parker-Jackes Evans valve provides a 3
Viessmann 7831456 Radial Fan R-134A For a reliable field installThe Viessmann 7831456 Radial Fan is a high performance RG148 assembly engineered specifically for Vitodens 200 W WB2B series gas condensing boilers. As a critical component for combustion air supply and flue gas extraction, this fan ensures the necessary static pressure to maintain efficient modulation across the boiler's firing range. Designed for the WB2B 45 and WB2B 60 models, it features a brushless EC motor and a durable die cast aluminum