its UVC and ozone output significantly degrades after 12 months of continuous use

and small air handlers requiring reliable b-control valve automation

The Maxitrol TD244A Space Temperature Selector is a critical component for Selectra Series 44 electronic gas flame modulation systems

it provides the necessary mechanical advantage to overcome high close-off pressures common in aging chilled water and steam systems

It is rated for duct widths from 8 ft to 12 ft

Armstrong Furnace ALPKT389-2 Conversion Kit 340155-7024 its UVC and ozone outputEnsure your heating system is ready for propane operation with the Armstrong Furnace ALPKT389 2 Conversion Kit. This genuine OEM Nat to LP conversion kit is engineered for seamless compatibility with specific Armstrong and Armstrong Air furnace models, providing a safe and reliable transition from natural gas to liquid propane. By utilizing high quality natural gas to propane conversion components, including precisely sized LP burner orifices and a