How much clearance do you need for a tankless water heater?

Indoor Installations A tankless water heater requires a 4-foot clearance from the side or below a door or window that opens, unless the unit is directly vented to the outside. If the water heater is installed above the door or window, it needs 12 inches of clearance.

What size gas line is needed for a tankless water heater?

3/4″
Rinnai Tankless Water Heaters typically require a 3/4″ gas line to provide a sufficient gas supply to the unit’s burner. However, if there is sufficient pressure and the gas line is short enough, there are some cases where a 1/2″ gas line can be used, which is the most common size used in the United States and Canada.

Is it OK to put a tankless water heater in the attic?

Simply put, as long as there is enough combustion air provided, tankless water heaters can be installed in any area of your home, from a utility room to a garage to, yes, even an old, dusty attic. in general, most plumbers recommend simply installing it where your old water heater was located.

Will a tankless water heater work with a 1/2 gas line?

Will a tankless water heater work on a ½-inch gas line? Yes and No. A typical residential gas system is a low-pressure system, meaning that the home is supplied with a gas pressure around 7 in. w.c. (inches of water column).

How to install a Natural Gas tankless water heater?

How to Install a Natural Gas Tankless Water Heater Step 1 – Prepare the Supply Lines Step 2 – Turn off the Water Supply Step 3 – Remove the Existing Hot Water Heater Step 4 – Decide on the Location of the Tankless Heater Step 5 – Install the Tankless Heater Step 6 – Install the Flue Step 7 – Connect the Lines Step 8 – Turn on the Water

Do you need a breaker for a tankless water heater?

You should be careful about tankless gas water heater installation requirements like gas lines and meters need to be up to code.. An electric one will require that your breaker is equipped to handle a tankless water heater.

Are there restrictions on tankless hot water heaters?

Restrictions on gas-fueled tankless water heaters – No gas appliance may be located in a room used for sleeping, a bathroom, a clothes closet or in a closet or other confined space opening into, or having access from a bedroom or bathroom.

Can a tankless water heater be vented through a chimney?

Tankless gas water heaters are direct-vent only. This means they need to be piped directly to the outside and not through a chimney. Due to their efficiency, the flue gas temperature on a tankless system is too low to vent through a conventional masonry chimney. Oftentimes you can vent the unit directly through the rim joist of the home.

Is it worth getting a tankless water heater?

There are many benefits to going with a tankless heater. Most units come with a federal tax rebate of $300 and are more efficient than storage tank models — you can shave as much as 20 percent from your water heating bill [source: Energy Star]. Since tankless heaters heat water as it flows, you’ll never run out of hot water.

How do you install a tankless hot water heater?

How to Install a Natural Gas Tankless Water Heater Step 1 – Prepare the Supply Lines Step 2 – Turn off the Water Supply Step 3 – Remove the Existing Hot Water Heater Step 4 – Decide on the Location of the Tankless Heater Step 5 – Install the Tankless Heater Step 6 – Install the Flue Step 7 – Connect the Lines Step 8 – Turn on the Water

How much to install tankless water heater?

Electric tankless water heaters also cost less to install than gas units. The installation costs for electric systems range from $800 to $1,500, while installation for gas units cost between $1,000 and $1,500.

What is the most reliable tankless water heater?

The Best Tankless Water Heaters (Updated 2020) Stiebel Eltron Tempra 36 Plus Electric Tankless Whole House Water Heater. Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater. If your water heater is giving you problems, perhaps it’s time to get a replacement. Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heater. Takagi T-KJr2-IN-LP Indoor Tankless Water Heater.