Sea Tech 81903045 3582-18CP 1 In CTS Manifold Divider Plug Contractor Pack

The Sea Tech 3582-18CP (MPN 81903045) is a 1-inch CTS Manifold Divider Plug sold in a contractor bulk pack, designed for use with Sea Tech and Watts AquaLock 35 Series plastic manifold systems. These divider plugs are used to cap or section off unused manifold ports, maintaining system pressure and flow integrity in plumbing installations.

Manufactured from polysulfone, a high-performance engineering thermoplastic, these fittings deliver long-lasting reliability in residential and commercial water distribution systems. The 35 Series line is a popular choice for RV, marine, and residential plumbing applications where lightweight, corrosion-resistant fittings are required.

Key Features:

• Fits 1-inch CTS (Copper Tube Size) manifold connections
• Compatible with Sea Tech / Watts AquaLock 35 Series manifolds
• Constructed from polysulfone high-performance thermal plastic
• Rated for 180°F @ 100 psi and 75°F @ 250 psi
• Certified to NSF-61, NSF-14, CSA B137.5, ASTM F877, and Uniform Plumbing Code (UPC)
• Sold as a contractor bulk pack for multi-unit or professional use
• Also sold individually as model 3582-18 (ordering code 0959266)

Note: Sea Tech has been rebranded as Watts AquaLock. Part numbers remain unchanged, though packaging and product color may vary during the transition period. Specifications and dimensions are unaffected.