PAP 1” Brass Coupling –

This is a 1-inch coupler for PAP pipe that has two layers of PEX with a layer of aluminum in between. PAP is a premium flexible pipe that is very durable.

EASTMAN 1 in. x 1-1/4 in. x 5 in. Long Pattern Brass Compression Coupling 20547LF - The Home Depot

Brass, 1 in x 1 in Fitting Pipe Size, Coupling - 60VN26

Pex-Al-Pex 1 x MPT 1 Brass fitting meets specifications for all outdoor wood boiler installations.

PAP 1” Comp x 1” NPT Brass Male

Everbilt 1/4 in. MIP x 1/8 in. FIP Brass Bushing Fitting 801979 - The Home Depot

Brass Swagelok Tube Fitting, Union, 1/2 in. Tube OD, Unions, Tube Fittings and Adapters, Fittings, All Products

PAP-0500M - Rifeng PAP-0500M - 1/2 PEX-AL-PEX Compression x 1/2 Male Threaded Adapter

Proline Series 1-in x 1-in Threaded Male Adapter Nipple Fitting in the Brass Fittings department at

PAP 1” Brass Coupling –

PAP 1” Comp Brass 90 Elbow –

1/4-Inch Brass Female Industrial Quick Connect, Air Hose Fittings, Fem – National Supply Company

RadiantPEX-AL compression fittings are designed to be used in radiant heating and snow melting applications, with water or water/glycol solutions.

1/2 PEX-AL-PEX Compression Coupling

Brass, 1/2 in x 1/2 in Fitting Pipe Size, Adapter - 46M450

Brass Screw Fitting for Pex-Al-Pex Multilayer/Composite Pipe (PAP) with Ce ISO Certificate - China Brass Fitting, Screw Fitting