Fresco compression donut, 4 x 1-1/2 in nominal, sv x hub end, sch 40, plastic, ASTM C443, C425, C564, D1869, upc approved. Seal against infiltration and exfiltration. Approved by sbcci, boca and upc. Conforms to applicable parts of ASTM C443, C425, C564, and D1869. Connects sv ci hub to sch. 40 dwv plastic.
Fernco Flexible Couplings have found wide acceptance among sewer and plumbing contractors and municipalities because of their quality and ease of installation. Fernco couplings are used for all types of in-house and sewer connections: drain, waste, vent piping, house-to-main, repairs, cut- ins, conductor, roof drains and increasers-reducers.