Boiler Draft Blower Kit; Item Induced Draft Blower Kit; Used On Item Gas Fired Direct Vent Condensing Hot Water Boiler; Used On Model/Brand Quantum 90; Applicable Standard ISO 9001; Kit Includes Flue Gas Blower, Vent Switch Gasket, Safety Switch, #4-20 TPI X 1/4 Inch Screw, Blower Gasket