This type is designed for below- grade use. This type of backflow preventer will occasionally back surge, so you'll need a catch basin with an air gap underneath it. Pipe the basin to a nearby floor drain with 1- in.
Photo 2: Wrap the pipe threads. Wrap Teflon pipe-joint tape twice around the threads in the same direction that the fitting screws on (clockwise). Connections that rely on threaded pipes and fittings are prone to leaks if they're not sealed with either Teflon tape or Teflon pipe joint compound.
The piping after the backflow preventer will also need a drain valve so you can drain the overhead line in winter. Merle Henkenius. STEP 1. Install an air- gap catch basin on the unit and run a full- size drainpipe to the nearest floor drain. Cannot Ping Windows Vista Pci. Install the control panel. Run the cable into the panel, strip the wires and connect them according to the manufacturer's installation instructions (Step 2.
Merle Henkenius. STEP 2. Run the zone- valve cable to the control box. Connect the wires according to the manufacturer's instructions.
How to Install a Gas Line: 6 Steps (with Pictures)Edit Article. Installing a gas line is probably not a task to take on as your first do- it- yourself project. The risks of making a mistake outweigh the costs of a professional. However, experienced do- it- yourselfers can install a gas line as safely as a professional. Despite the narrow margin for error, the individual steps are no more demanding than plumbing or electrical work. Be sure to check local regulations - for example in the UK, it is illegal to modify a gas installation without a professional certificate of competence (currently the Gas Safe scheme) and doing so could result in prosecution, a fine or even imprisonment.