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.
Everbilt 5/8 in. Flare x 1/2 in. MIP Brass Adapter Fitting 801399 - The Home Depot
Reducing Coupling Brass Pipe Fittings 1 inch female x 1 inch female Threaded Brass Construction NPT : Industrial & Scientific
Everbilt 1/2 in. FIP Brass Tee Fitting 801959 - The Home Depot
PAP-0500M - Rifeng PAP-0500M - 1/2 PEX-AL-PEX Compression x 1/2 Male Threaded Adapter
The PAP 1-Inch Comp by 1-Inch NPT (Brass Male) will meet all outdoor wood boiler specifications. Shop all Outdoor Boiler parts and accessories today!
PAP 1” Comp x 1” NPT Brass Male
Tectite 1/2 in. IPS Push-To-Connect x 1/2 in. CTS Brass Male Pipe Thread Adapter FSBIPSMA12 - The Home Depot
Made from solid, lead-free brass stock, these brass pipe nipples have male-tapered pipe threads on both ends. The fitting Diameter is measured using
1/4 in. x Close MIP Brass Hex Nipple Fitting
Anderson Metals - 56120-0808 Brass Pipe Fitting, Adapter, 1/2 Male Pipe x 1/2 Female Pipe: Industrial Pipe Fittings: : Tools & Home Improvement
PAP 1” Brass Coupling –
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