4'' Firestop Spacer

Simpson 's Type B Gas Vent system. Use with natural gas or liquid propane category I and drafthood equipped appliances, and appliances tested and listed to use Type B Gas Vent. Applications include: natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.<br><br>Type B Gas Vent has been engineered to heat up rapidly. It remains hot during the operation of the appliance with minimal condensation on the appliance and vent system. Simpson Type B Gas Vent is designed to meet the rugged demands of the job site. The inner wall is recessed to eliminate damage in handling.<br><br><li>Use at every ceiling level where Square Firestop Support is not used.<br></li><li>Diameter: 4".<br></li><li>ADA: No.<br></li><li>Configuration: Shield.<br></li><li>Depth: 8.75.<br></li><li>Fuel Type: Gas, Liquid Propane.<br></li><li>Material: Aluminum.<br></li><li>Pipe Class: Type B.<br></li><li>Pipe Shape: Round.<br></li><li>Theme: Modern.<br></li><li>UL Listed: Yes.<br></li><li>Vent Construction: Double Wall.<br></li><li>Width: 8.75.- SKU: ZX9TWST3596</li>