The Nor East Controls 30033673-001 is a 13-inch replacement diaphragm designed for Direct Acting (DA) pneumatic actuators

Manual Override Switch: Provides rapid control of the connected load for maintenance or troubleshooting without affecting the 24-hour cycle

ensuring accurate stem positioning and optimized flow control

Low Pressure Drop: Designed for suction line installation with a flow pattern that minimizes restriction

This specific component is a direct fit for York model D2CG090N16525B and other compatible rooftop units and furnaces

Lochinvar & A.O. Smith 100109864 Blower Assembly 318518-761 The Nor East Controls 30033673-001The Lochinvar & A. O. Smith 100109864 Blower Assembly is a direct OEM replacement engineered for high efficiency commercial water heaters and boilers. Designed to maintain precise air fuel ratios, this combustion blower motor ensures stable flame signals and optimal thermal output. As a critical component in the pre mix combustion system, it integrates seamlessly with the control board to modulate airflow based on demand, preventing short cycling and