Field Controls Electronic Post Purge Control Kit For Oil CK-61Designed for use on SWG Series Power Vent Hoods for controlling oil fired heating appliances with 120 VAC controls. Made in the USA.Includes:Junction box with mounted pressure switch and solid state post purge control2 ft. length of 1/4 aluminum tubing1/4 tubing connectorFlexible conduit connectorWMO-1 Secondary Safety Switch Product Specifications BRANDField Controls LENGTH INCHES8 WIDTH INCHES8 HEIGHT INCHES6 WEIGHT LBS4 FUEL TYPEOil FOR USE WITHAll Oil Fired Systems INCLUDESRjr-6, Draft Proving & Secondary Safety Switches LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERCK-61