York Parts S1-7975-3771 Furnace Blower RelayFurnace Blower Relay by York Parts S1 7975 3771 is a reliable replacement part designed for compatible furnaces. This blower relay delivers precise motor control and dependable airflow, helping your heating system maintain steady performance during cold seasons. As a trusted furnace replacement part, it supports efficient operation and minimal downtime in your home HVAC setup. Designed for use as a standard York furnace part, the relay offers OEM

The valve is normally closed (NC) and features a robust internal setup tuned for long life in general service

this compact unit measures 5" W x 5-1/4" D x 5" H and is built for rugged performance in demanding environments (-40 to 140°F)

high-velocity air paths

Flexible power: 24V AC hardwire or 30V AC battery operation

This AC-powered solenoid valve accepts 120/60 VAC or 110/50 VAC control signals

Ideal for replacement parts catalogs

The valve includes a nut

Capacity: 1200 pounds per hour

and Swiss RE approvals

Rely on this adapter for consistent performance in busy commercial environments

1-7/8 inches deep

it spreads evenly over mating surfaces to help ensure reliable contact and smooth operation