Скачать или смотреть Replacing a Sprinkler Backflow Preventer (START TO FINISH!)

How to replace a Febco 765-1 PVB sprinkler system Pressure Vacuum Breaker backflow preventer! How to remove old Febco PVB, cut pvc pipes and glue pvc pipes. It's easy to do. I'll also show you how to insulate your backflow preventer.

SHOP HERE:

Febco 765-1 1" PVB Valve:
https://amzn.to/4j3lV5G

Oatey PVC Cement and Primer Handy Pack
https://amzn.to/4luZS9I

Blue Monster PTFE Thread Seal Tape:
https://amzn.to/3ROSJDs

Rectorseal Thread Sealant/Dope (Optional)
https://amzn.to/4luW5sU



00:00 Introduction
00:45 PVB Basics
01:27 Cost of Replacement
01:39 Planning the Replacement (Height and Etc)
03:06 New Parts Overview
05:11 PVB Assembly Removal (insulation)
06:01 PVB Assembly Removal (Pipes)
08:15 Preparing Old Fittings
09:50 Planning New PVB Assembly
11:46 How to Apply Thread Tape
10:48 Thread Tape vs Pipe Dope
14:48 How to Cut PVC Pipe
15:48 Final Test Fitting
16:57 How to Glue PVC Pipe
20:35 Installing New PVB Assembly
21:47 Installation Done
22:15 Testing The System
22:25 Installing Insulation