Discover the Field Controls 9RC 9 Draft Regulator, the ultimate solution for enhancing the efficiency of your wood, oil, or coal-fired heating systems. Designed for precision, this regulator ensures optimal performance by maintaining the perfect draft. With easy calibration settings ranging from .02 to .08, it adapts seamlessly to your furnace or boiler specifications, providing sensitive control for various heating setups. Weighing just 4.44 pounds, its compact dimensions (11.5" depth, 10.63" width, 10" height) make it a versatile addition to any HVAC system. Proudly made in the USA, this mechanical component is a testament to quality and reliability. Whether you're upgrading your current system or installing a new one, the Field Controls 9RC Draft Regulator is your go-to choice for consistent and efficient heating. Embrace the power of precision with Field Controls, a trusted name in HVAC solutions.