Description
This model requires a 208-240V control signal to energize the coil
The Weil McLain 511-330-221 is a Natural Gas Pilot Burner Assembly designed specifically for heavy-duty commercial and residential atmospheric boilers
The integrated 10 ft plenum-rated cable simplifies installation
Circuit Protection: Integrated short circuit and thermal overload protection ensures the unit shuts down safely during faults and resumes operation once cleared
York S1-331-09150-001 Control Board R-410A This model requires a 208-240VThe York S1 331 09150 001 Control Board is a critical OEM replacement part engineered for two stage furnace systems and residential air conditioning units. As a veteran grade HVAC ignition control, this Simplicity Lite control board manages the complex timing of the gas valve, flame sensor, and blower motor, ensuring precise 2 stage heating and cooling cycles. Field technicians typically utilize this board to resolve issues with intermittent ignition
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy

























