York Parts S1-33109150000 HVAC Simplicity Control Board KitYork Parts S1 33109150000 HVAC Simplicity Control Board Kit is the trusted direct fit replacement for York HVAC systems. The Simplicity control board supports 2 or 4 stage operation (Simplicity1a) to optimize comfort, efficiency, and dependable climate control in your home. This HVAC control board kit provides reliable electronics, connectors, and firmware to restore optimal performance. Designed as a complete Simplicity control kit and replacement

and smoother furnace operation

parallel blade damper fits a 6 x 8 inch duct and is powered by a 24V AC motor for dependable performance across temperatures from 40 to 140°F

4 A at 120V / 22

high-reliability relay construction for long service life

delivering precise temperature control for your electric water heater and helping restore steady hot water performance

The 5-1/2" cap provides a robust sensing element for dependable operation

or 240V non-integrated HSI modules across a wide range of heating applications

Performance Restoration: Restores standard airflow and heater efficiency after wear or failure

ON/OFF valve actuator with spring-return for reliable fail-safe positioning

this Induced Draft Blower helps maintain safe

This HVAC control board delivers dependable performance as a high-quality replacement part

Maintains optimal infrared performance and supports warranty compliance