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Common Questions Is the 2211-012 compatible with older Barber Colman pneumatic systems
By creating controlled turbulence
This prevents hazardous combustion byproducts from entering the mechanical room
reliable furnace cycles during high-demand heating periods
leak-free braze for 5/8-inch lines
Lochinvar & A.O. Smith 100277835 Kit Els PW 17895 Common Questions Is the 2211-012The Lochinvar & A. O. Smith 100277835 Kit is a critical Venturi High Modulation assembly designed for precision air to fuel ratio control in high efficiency condensing boilers and water heaters. Engineered for natural gas systems, this 24 mm venturi ensures consistent performance across the full turndown range, or 5: 1 firing rate, by precisely mixing gas and air before delivery to the radial fire burner. This OEM replacement part is essential for
US$ 750.00
US$ 225.00