Constructed from industrial-grade cast iron (BK80)

the M611-1 is a modulator only and does not have an internal regulator

specifically designed for deeper burner profiles and immersion applications

For contractors performing a furnace draft inducer motor replacement

the Sporlan 311424P is designed to operate on 120V at both 50Hz and 60Hz frequencies

York S1-029-20423-000 Orifice 322838-753 Constructed from industrial-grade cast ironThe York S1 029 20423 000 Orifice is a high precision burner blank orifice engineered for the critical regulation of fuel flow within York furnace and boiler systems. Designed specifically for professional field modification, this blank orifice spud allows technicians to precisely drill the port size required to match specific manifold pressures and BTU Hr input requirements. Manufactured to rigid OEM standards, it serves as a reliable replacement for