Johnson Controls VG7841ET Valve 318172-701 As the primary furnace control

As the primary furnace control board for high-efficiency models like the Reznor UDAP

maintaining precise crankcase oil levels is non-negotiable for system longevity

Heavy-Duty Construction: Features a rugged base plate for secure mounting and long-term vibration resistance

Designed specifically for Carrier 48DJD

known for longevity in high-cycle applications

Johnson Controls VG7841ET Valve 318172-701 As the primary furnace controlThe Johnson Controls VG7841ET is a commercial grade 3 way mixing globe valve designed for precise flow control in chilled or hot water systems. Featuring a 1 2 inch NPT connection and a 1. 8 Cv rating, this valve utilizes an equal percentage flow characteristic to maintain stable room temperatures and optimize heat exchanger performance. The cast bronze body and brass trim provide the structural integrity required for high pressure HVAC applications,