Water Heater Discharge Pipe Installation
Typical compliant installation options for unvented hot water cylinders t p and prv discharge to drain via hotun dry trap tundish benefits of hotun the hotun dry trap tundish provides installers with a solution to pvr discharge issues that is quicker easier and cheaper than alternative methods whilst being all under one fully compliant unit.
Water heater discharge pipe installation. We explain the piping for a basic water heater installation compared with options for connecting hot water heaters in parallel in series or ganged. A trapped tpr dischage pipe is a common defect when a replacement water heater s tpr valve is lower than the original one and the installer connects to the exisitng discharge piping at the wall. Water heater parts and breakdown. How to install a discharge pipe on a water heater step 1.
Guide to water heater or geyser installation. Water heater piping installation connections. But they re more difficult to install and we won t deal with them here. Most municipalities require that drain lines empty water into a floor drain or outdoors.
Place a level on the side of the water heater and plumb it with plastic shims. The irc provides a list of 14 specific criteria meant to keep this pipe open. Discharge to a floor drain to an indirect waste receptor or to the outdoors. The tprvs themselves are not usually a problem on water heater installations as they come installed in the water heater.
Brush pipe joint compound on the threads on the tpr valve using the brush supplied with the pipe joint compound. Follow local building codes when. Turn the valve clockwise one additional turn to point the tpr. More expensive gas water heaters with special venting systems also are available.
Don t set it next to anything hot or flammable. Water heater drain pipe installation lay out a path for the drain line. Not be trapped since standing water may become contaminated and backflow into the potable water. 8 termination of the tpr drain pipe cannot be more than 6 inches or less than two pipe diameters above the floor ground or waster receptor flood rim level.
Leave at least 6 inches of clearance around it for ventilation. Here we describe the plumbing connections and piping options for hot water system hook ups. The problems occur in the pipe between the valve and the discharge point. Be installed so as to drain by flow of gravity.
Hold the tpr valve with the slip joint pliers. Be as short and as straight as possible so as to avoid undue stress on the valve.