Weil McLain 510-811-461 Conversion Kit Refrigerant the York S1-025-41091-000 is the

the York S1-025-41091-000 is the current manufacturer-designated replacement for several legacy part numbers

System Efficiency: Forced post-purge fan delay extracts all conditioned air from the ducts after the call for heat or cool ends

This item must be shipped via trucking

OEM Precision: Guaranteed compatibility with York centrifugal and screw chillers

Universal Technical Fit: Directly replaces FAN1407 with no modifications to the shaft or housing

Weil McLain 510-811-461 Conversion Kit Refrigerant the York S1-025-41091-000 is theThe Weil McLain 510 811 461 is a specialized thermocouple to thermopile conversion kit engineered for natural gas applications within EG and PFG series boilers (specifically PFG 6 & 7, Series 3 7). This OEM grade upgrade is essential for technicians dealing with older standing pilot systems that suffer from inconsistent millivolt signals or frequent thermocouple failure. By transitioning to a thermopile based ignition system, the boiler gains a more