This blade features a 24-inch diameter

allowing the technician to secure the setpoint range before leaving the site

Spacer Serviceability: Designed for an SC spacer coupling configuration

Steam-Rated Performance: Materials are selected to withstand the thermal expansion and corrosive nature of industrial steam and hot air cycles

25mm pitch requirements of HVACR combustion systems

Williams 8947 Conversion Kit 340155-7026 This blade features a 24-inchThe Williams 8947 Natural to LP Gas Conversion Kit is a field proven solution designed for transitioning 500A Series hearth heaters from natural gas to propane. This kit is specifically engineered for 50,000 BTU models, including 5001522A and 5002522A (gravity no blower) and 5001922A and 5002922A (with blower). As a veteran technician knows, maintaining 50,000 BTU gas furnace performance requires precise orifice sizing; this kit includes a #45 drill