How to troubleshoot a Takagi tankless water heater?

Make sure that you order the correct heater for the type of gas you will be using, Natural Gas or Liquid Propane. Water Flow/Temperature Fluctuation Problems: If there is a low flow from the heater, the first thing to check would be the input filter.

What should I do if my hot water heater is not working?

Turn off the cold supply, relieve the hot pressure and remove the filter to check for debris. Clean or replace the filter and then check the flow again. If there is inadequate hot water or variations in temperature, check for plumbing “cross flow,” which means there is a connection somewhere between hot and cold.

What kind of pipes are used for Takagi condensing?

All Takagi condensing models may use Schedule 40 PVC, ABS pipes, or Category III stainless steel. Gas Supply Line Problems: Undersized Line: There is a great tendency to just “hook up to the existing gas line,” which is usually only ½ inch diameter. Strict attention must be paid to the gas-line requirements section in the installation manual.

What does it mean when your hot water faucet is not working?

If there is inadequate hot water or variations in temperature, check for plumbing “cross flow,” which means there is a connection somewhere between hot and cold. This may be as inconspicuous as a worn seal in a single-handle faucet.

Make sure that you order the correct heater for the type of gas you will be using, Natural Gas or Liquid Propane. Water Flow/Temperature Fluctuation Problems: If there is a low flow from the heater, the first thing to check would be the input filter.

Turn off the cold supply, relieve the hot pressure and remove the filter to check for debris. Clean or replace the filter and then check the flow again. If there is inadequate hot water or variations in temperature, check for plumbing “cross flow,” which means there is a connection somewhere between hot and cold.

All Takagi condensing models may use Schedule 40 PVC, ABS pipes, or Category III stainless steel. Gas Supply Line Problems: Undersized Line: There is a great tendency to just “hook up to the existing gas line,” which is usually only ½ inch diameter. Strict attention must be paid to the gas-line requirements section in the installation manual.

If there is inadequate hot water or variations in temperature, check for plumbing “cross flow,” which means there is a connection somewhere between hot and cold. This may be as inconspicuous as a worn seal in a single-handle faucet.

What to do if your tankless water heater is not working?

Shut the cold supply and open the relief pressure valve or any hot water faucet. If the hot supply output is steady after the pipe has drained, there is a cross flow problem. Let a plumber fix it. Also, reduce hot water consumption or avoid having too many hote water applications at the same time.

What to do if your Takagi tankless water heater is not working?

In case of insufficient hot water or temperature variations, check the connection between the hot and cold supply of the Takagi tankless water heater. Shut the cold supply and open the relief pressure valve or any hot water faucet. If the hot supply output is steady after the pipe has drained, there is a cross flow problem.

Is there a direct vent on a Takagi Water Heater?

When available combustion air is full of particulate matter enter into the heater, install a direct vent model or kit. Takagi tankless water heater with indirect vent is not ideal in places with polluted air. 7. No Ignition