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The IDEAL INDUSTRIES 3012 is a 12-inch SV compression gasket designed to create a reliable, airtight seal in single-wall vent (SV) pipe connections. This gasket compresses into the joint under fitting pressure to prevent flue gas leakage and maintain draft integrity in vented appliance installations. It is a standard replacement component used by HVAC technicians and plumbers working on gas appliance venting systems where SV-type connectors are required.
This gasket is suited for use in residential and light commercial venting applications, particularly where single-wall metal vent pipe connects to draft hoods, flue collars, or vent connectors on gas-fired appliances such as furnaces, water heaters, and boilers. Installers working on new construction or retrofit venting runs will find this a direct-fit compression-style seal for 12-inch SV connections.
Designed for use with 12-inch SV single-wall vent pipe systems using Quiktite-style compression fittings. Confirm fitting diameter and connector series before installation.
Installation should be performed by a licensed HVAC technician or plumber in accordance with local mechanical codes and IFGC requirements. Always shut off the gas supply and allow the appliance to cool completely before servicing any vent connection. Seat the gasket evenly in the fitting groove before compressing the joint to ensure a uniform seal. Inspect surrounding vent sections for damage or corrosion before returning the system to service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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