Febco - FRK 856/876V SM 2 1/2-3 - Part of the RK-856/876/876V Series silt-fence-selector The ThermalMAX™ Roof Hatch redefines

The ThermalMAX™ Roof Hatch redefines energy efficiency with its industry-leading R-20 insulation rating

needle-punched polypropylene fabric

UPC - 098268029444

and processing facilities

Febco - FRK 856/876V SM 2 1/2-3 - Part of the RK-856/876/876V Series silt-fence-selector The ThermalMAX™ Roof Hatch redefinesThis 2 1 2 and 3 inch spring module kit is used to repair either the first or second check spring module of a double check valve assembly and double check detector assembly, series 856 and 876V. This kit consists of all parts necessary to repair the spring module of the applicable valve. All parts are genuine and original to the valve. Features Factory replacement parts No special tools required for servicing All parts are made of high quality