![Gray colored Plumbing in Mobile Homes? Is it PEX, Qest, Polybutylene? What fittings? | Terry Love Plumbing Advice & Remodel DIY & Professional Forum Gray colored Plumbing in Mobile Homes? Is it PEX, Qest, Polybutylene? What fittings? | Terry Love Plumbing Advice & Remodel DIY & Professional Forum](https://terrylove.com/images/sharkbite_pb_pex.jpg)
Gray colored Plumbing in Mobile Homes? Is it PEX, Qest, Polybutylene? What fittings? | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![SharkBite 3/4-in Push-to-Connect Polybutylene Transition Coupling in the Push to Connect Fittings department at Lowes.com SharkBite 3/4-in Push-to-Connect Polybutylene Transition Coupling in the Push to Connect Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/4dcd9ab1-a85e-4d7a-9ee8-5bdbe3140a75/07827796.jpg?size=pdhism)
SharkBite 3/4-in Push-to-Connect Polybutylene Transition Coupling in the Push to Connect Fittings department at Lowes.com
![SharkBite 3/4 Inch Polybutylene Transition Coupling, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4016LFA - Pipe Fittings - Amazon.com SharkBite 3/4 Inch Polybutylene Transition Coupling, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4016LFA - Pipe Fittings - Amazon.com](https://m.media-amazon.com/images/I/71fe-HUTujL.jpg)
SharkBite 3/4 Inch Polybutylene Transition Coupling, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4016LFA - Pipe Fittings - Amazon.com
Gray colored Plumbing in Mobile Homes? Is it PEX, Qest, Polybutylene? What fittings? | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![SharkBite 1/2 Inch Polybutylene Transition Coupling, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4008LFA - Pipe Fittings - Amazon.com SharkBite 1/2 Inch Polybutylene Transition Coupling, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4008LFA - Pipe Fittings - Amazon.com](https://m.media-amazon.com/images/I/71oNXGSARKL._AC_UF894,1000_QL80_.jpg)
SharkBite 1/2 Inch Polybutylene Transition Coupling, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4008LFA - Pipe Fittings - Amazon.com
![SharkBite 3/4 Inch Polybutylene Transition Coupling, Pack of 6, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4016LF - Faucet Parts And Attachments - Amazon.com SharkBite 3/4 Inch Polybutylene Transition Coupling, Pack of 6, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4016LF - Faucet Parts And Attachments - Amazon.com](https://m.media-amazon.com/images/I/81vY1nxtjML.jpg)
SharkBite 3/4 Inch Polybutylene Transition Coupling, Pack of 6, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4016LF - Faucet Parts And Attachments - Amazon.com
![SharkBite Crimp Transition Low Lead 3/4 In. Polybutylene, Brass PEX Coupling | Modern Home & Hardware SharkBite Crimp Transition Low Lead 3/4 In. Polybutylene, Brass PEX Coupling | Modern Home & Hardware](https://i5.walmartimages.com/asr/87d696b8-870e-4d5e-92b9-17cacf7d4079_1.b79b14fe78d1e2dc7500027a3914e9c5.jpeg?odnHeight=450&odnWidth=450&odnBg=ffffff)
SharkBite Crimp Transition Low Lead 3/4 In. Polybutylene, Brass PEX Coupling | Modern Home & Hardware
![SharkBite 1/2 in. Push-to-Connect Brass Polybutylene Conversion Coupling Fitting Pro Pack (4-Pack) U4008LFJ4 - The Home Depot SharkBite 1/2 in. Push-to-Connect Brass Polybutylene Conversion Coupling Fitting Pro Pack (4-Pack) U4008LFJ4 - The Home Depot](https://images.thdstatic.com/productImages/55cb8596-a2e0-4ff8-a50d-4d8142491e86/svn/brass-sharkbite-polyethylene-pipe-fittings-u4008lfj4-64_600.jpg)
SharkBite 1/2 in. Push-to-Connect Brass Polybutylene Conversion Coupling Fitting Pro Pack (4-Pack) U4008LFJ4 - The Home Depot
![SharkBite 1/2 Inch Polybutylene Transition Coupling, Pack of 6, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4008LF - Pipe Fittings - Amazon.com SharkBite 1/2 Inch Polybutylene Transition Coupling, Pack of 6, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4008LF - Pipe Fittings - Amazon.com](https://m.media-amazon.com/images/I/81gqbQrI9FL.jpg)
SharkBite 1/2 Inch Polybutylene Transition Coupling, Pack of 6, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4008LF - Pipe Fittings - Amazon.com
![Polybutylene needs stop valve, my house has the polybutylene that connects to the sink with no stop valve. Trying to install one so I don't have to have the main shutoff for Polybutylene needs stop valve, my house has the polybutylene that connects to the sink with no stop valve. Trying to install one so I don't have to have the main shutoff for](https://i.redd.it/i7d3t1y7kro81.jpg)