As a normally closed HVAC high limit sensor

Nickel-Plated Bulb: Enhanced durability and heat sensitivity with a 14-3/4" bulb length for accurate sensing

Maintenance Efficiency: Facilitates valve actuator replacement without removing the valve body or interrupting fluid flow

Built-in Protection: Equipped with internal current limiting and thermal protection to prevent damage from overloads

but you should never undersize the horsepower

Lau 00851916 Blower Wheel 320819-301 As a normally closed HVACThe Lau 00851916 Blower Wheel, a high performance A9 9A model, is an essential universal replacement blower wheel for belt driven HVAC configurations. Engineered with a Preslok wheel design, this 9 1 2" diameter by 9 1 2" wide component features a robust galvanized steel construction where the center disc is mechanically attached to each of the 43 blades. This double inlet blower wheel is built for versatile installation, supporting both CW CCW