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this model is configured with a BCR-18 orifice for Natural Gas
Designed for maximum compatibility with brands like Tempstar
Carrier 48VL500219 Flue Baffle
The McDonnell & Miller 47 serves as a reliable mechanical water feeder specifically designed for low-pressure steam and hot water boilers
Using a 16
Viessmann 7819971 Air Vent 318820-201 this model is configured withThe Viessmann 7819971 Air Vent with Shut Off Base is a critical component for maintaining hydraulic stability in high performance condensing systems. Engineered specifically for the Vitodens series, this G3 8" automatic air vent facilitates continuous air elimination from the primary heat exchanger loop, preventing airlocks that compromise heat transfer and cause circulator cavitation. This OEM part is the direct replacement air vent for Viessmann
