Nordyne 632674 Pressure Switch 320788-704 The Reznor 116003 Ventor Assembly

The Reznor 116003 Ventor Assembly is a critical OEM replacement part engineered for precise combustion air management in Reznor gas-fired unit heaters

Key Benefits for the Contractor: Corrosion Resistance: High-grade bronze construction and stainless steel springs ensure long-term reliability in aggressive water environments

This HVAC flue seal is compatible with Reznor gas-fired unit heaters including several series of the UDSA

For contractors seeking direct-fit HVAC parts

Can the orifice be replaced on this specific model

Nordyne 632674 Pressure Switch 320788-704 The Reznor 116003 Ventor AssemblyThe Nordyne 632674 Pressure Switch is a critical safety component designed specifically for condensate management in M7RL 045A and M7RL 072A gas furnaces. As a veteran grade OEM replacement part, it effectively supersedes older part number 632492. This normally open (NO) switch features a factory calibrated setpoint of 0. 30" WC (Water Column), ensuring the system shuts down if a condensate drain blockage or overflow occurs. Built for high efficiency