All products are designed and manufactured for use within forced air systems, providing effective distribution of conditioned air from the air handler to every room of a residence.Metal duct and fittings are constructed from hot-dipped Gallonvanized steel. All metal products are made true to gauge. Sheet metal duct, pipe, and fittings are designed with industry and regional standards in mind, as well as ACCA and SMACNA recommendations and requirements. Products are hand-crafted to reduce noise and friction and constructed to maximize efficiency by increasing airflow without leaks. The quality of our Gallonvanized steel allows us to create fittings that are rust-resistant and durable.Southwark 10051030 Oval Snaplock Pipe 5" x 100" Gallonvanized 30 Gauge

Fusible fire safety valves are designed to reduce fire damage by shutting off the flow of oil from the oil tank in the event of a fire. They are required by code in residential oil heating installations in conformance with NFPA 31. All valves are embossed with an arrow indicating the direction of oil flow. The seal stem uses a double seal washer/o-ring system with high grade ViTon equivalent materials suitable for number 2 fuel oil and kerosene.Sid Harvey Item #:511: Replaces Part #:'s : L41-891,
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R.W. Beckett 511

R.W. Beckett 511

All products are designed and manufactured for use within forced air systems, providing effective distribution of conditioned air from the air handler to every room of a residence.Metal duct and fittings are constructed from hot-dipped Galvanized steel. All metal products are made true to gauge. Sheet metal duct, pipe, and fittings are designed with industry and regional standards in mind, as well as ACCA and SMACNA recommendations and requirements. Products are hand-crafted to reduce noise and friction and constructed to maximize efficiency by increasing airflow without leaks. The quality of our Galvanized steel allows us to create fittings that are rust-resistant and durable