Field Controls 01967701 Controller

Establish consistent performance in large-scale heating systems with the Field Controls 01967701, a 24-inch M+MG2 barometric draft control engineered for commercial boiler draft regulation. This heavy-duty component provides high-precision stabilization for mult-fuel heating systems, including gas, oil, wood, and coal. By counteracting the negative forces of temperature fluctuations and wind, it maintains a constant chimney draft pressure, ensuring optimal HVAC combustion efficiency and preventing heat loss.

The Field Controls 01967701 features a 24-inch control size with a 452-square-inch nominal capacity, suitable for vent pipe diameters ranging from 22 to 25 inches. Built with a stainless steel knife-edge gate and self-cleaning bearings, this barometric damper minimizes friction to respond to draft changes as low as .01". For gas-fired applications, it operates as a double-acting control to relieve positive pressure, while serving as a rugged single-acting regulator for oil or solid fuel equipment. This industrial draft regulator is an essential upgrade for contractors managing power-vented or high-capacity atmospheric systems where draft stability is critical to preventing soot buildup and increasing equipment longevity.

• Universal Fuel Compatibility: Specifically designed for field conversion between oil, gas, coal, or wood applications via simple on-the-job adjustments.
• Precision Engineering: Utilizes a heavy-gauge gate resting on a stainless steel knife edge to provide maximum sensitivity to minute pressure changes.
• Enhanced Efficiency: Reduces fuel consumption by slowing velocity through the heat exchanger, allowing for maximum heat extraction during the combustion cycle.
• Double-Acting Functionality: Protects gas systems by opening outward to vent positive pressures caused by blocked flues or downdrafts.

Can I use the 24" M+MG2 on a gas boiler without a draft hood?
Yes. In many gas installations, a double-acting M+MG2 is specified over a traditional draft hood to provide the appliance with the full assistance of the chimney, often improving combustion stability in problematic vents.

What is the proper setting for commercial oil burners?
While manufacturer specs vary, this regulator is designed for settings from .02" to .08". Technicians should always use a draft gauge or manometer to calibrate the balance weights for precise over-fire draft conditions.

Does this unit require a specific mounting position?
The front face of the control must be perfectly plumb and the bearing surfaces level. It can be installed in horizontal, vertical, or sloping flue pipes as long as these alignment criteria are met.

This item must ship via truck. Please contact us for freight quote.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.