Lennox 85L51 Blower Wheel 319848-301 0-10 VDC or 4-20 mAdc)

0-10 VDC or 4-20 mAdc) and choose between direct or reverse acting modes using DIP switches without removing the entire cover

This 1/2" NPT assembly utilizes a stainless steel ball and stem to ensure long-term durability and resistance to scaling in various fluid media

This high-capacity pressure relief valve is essential for maintaining system integrity by venting excess pressure during thermal expansion or control failure

75" WC specifications to ensure accurate draft sensing and optimal burner efficiency

allowing technicians to perform actuator replacement or service without the need to drain the hydronic system or disassemble the valve body

Lennox 85L51 Blower Wheel 319848-301 0-10 VDC or 4-20 mAdc)For high demand air distribution in heavy duty HVAC systems, the Lennox 85L51 Blower Wheel is a critical OEM replacement part engineered for exact rotational balance and performance. This belt drive blower wheel features a 10 5 8" diameter and 10 5 8" width, designed specifically to move high volumes of air through larger furnace and air handler units. It is constructed with 48 precision curved blades and a robust 1 inch bore to accommodate standard