Velocity Boiler Works (Crown) 96-031 Vent Damper 320788-704 The Sporlan 958016P Valve
Baker’s notes & crumb story
Description
Velocity Boiler Works (Crown) 96 031 Vent Damper 320788 704 The Sporlan 958016P Valve The Sporlan 958016P Valve Zero Maintenance Design: Operates without the need for lubrication