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WELD-ON® 747™ Pool ‘R Spa™ is a blue (fades to clear in sunlight), low VOC emission, medium bodied, extremely fast setting, high strength PVC solvent cement for all classes and schedules of pipe and fittings with interference fit through 6 inch (160 mm) diameter, Schedule 80 through 4 inch (110 mm) diameter. Can be used without primer on non-pressure systems if local codes permit
WELD-ON 747 Pool ‘R Spa is for use on rigid and flexible PVC pipe and fittings. It is specially formulated for applications where conditions are very wet and/or quick pressurization is desired. It was developed to answer specific needs in pool, spa and whirlpool applications. Detailed directions on making solvent cemented joints are printed on the container label. An installation DVD/CD covering solvent cementing is available. It not only describes the basic principles of solvent cementing, but also covers the handling, storage and use of our products. It is highly recommended that the installer review the instructions supplied by the pipe and fitting manufacturer. NOTE: WELD-ON solvent cements must never be used in a PVC system using or being tested by compressed air or gases; including air-over-water booster