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The AQUATHERM 1040050915 is a 1-1/2 inch nominal socket weld coupling manufactured from Fusiolen PP-R (polypropylene random copolymer) and finished in green to identify it as part of the Aquatherm Green pipe system. This fitting joins two segments of thermoplastic piping using heat-fusion bonding, creating a leak-free, monolithic joint without solvents, glues, or open flame. It meets ASTM F2389 material standards and conforms to DIN 16962 and DIN EN ISO 15874, making it suitable for potable water, hydronic heating, and industrial fluid systems where corrosion resistance and long service life are priorities. Plumbers and mechanical contractors install this fitting in new construction and retrofit applications.
This coupling is used in residential and commercial plumbing and hydronic heating systems where Aquatherm Green polypropylene piping is specified. It is a direct in-line connector suited for straight pipe runs requiring a mid-run joint or repair. The green color designation indicates this fitting is part of the Aquatherm Green system, which is typically specified for potable water and general plumbing service. The socket ends accept standard Aquatherm Green 1-1/2 inch pipe, with socket dimensions of 50 x 68 millimeters and a center-to-end measurement of 26.5 millimeters (approximately 1.04 inches).
Designed for use with Aquatherm Green 1-1/2 inch nominal PP-R pipe and fittings joined by heat-fusion socket welding per ASTM F2389 installation requirements.
This fitting is installed by licensed plumbers or mechanical contractors trained in PP-R heat-fusion techniques. The pipe and fitting socket must be clean, dry, and free of debris before fusion. A manufacturer-approved socket fusion tool must be brought to the correct temperature before joining, and the fused connection must be held stationary for the required cool-down period before the system is pressurized. Consult the International Plumbing Code (IPC) and ASTM F2389 installation guidelines for pressure ratings, support spacing, and inspection requirements.
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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