Don t place the backflow preventer between a heater and an expansion tank.
Tankless water heater backflow preventer.
4 horizontal stainless steel z vent wall hung water heater vent kit with backflow preventer.
4 backflow preventer f f adaptor.
Fit before the heater.
Make sure that the pipes don t go upwards in an incline before they reach your preventer.
A backflow preventer also prevents the water from a commercial or residential building from backing up into the city water system.
This is a must for vertical tankless water heater installations.
Our trained technicians at r r plumbing can install the backflow preventer on the main sewer line connected to your home.
Eccotemp 45hi indoor 6 8 gpm natural gas tankless water heater horizontal bundle.
You need to fit the backflow preventer onto the pipes before they reach the heater.
This keeps the public drinking water safe from contamination.
The damper back flow prevents freezing air from coming back down through the vent stack and potentially causing freeze damage to the tankless water heater s heat exchanger which is not covered under warranty.
For some not all takagi paloma rheem noritz tankless water heaters this universal adaptor has seals on both ends and has a back flow preventer built in useful in colder climates to prevent cold air from flowing back into your heat exchanger universal adaptor connects tankless water heater to the 4 z flex z vent stainless steel venting.
999 00 609 00 on sale.
Check that it is securing all of the water inlet pipes.
This z flex 6 back flow preventer is 3 in diameter.