Changing a tankless water heater generally is a daunting job, however it’s undoubtedly doable to do it your self with just a little planning and preparation. On this article, we’ll stroll you thru the steps on substitute a tankless water heater, from begin to end. We may even offer you some suggestions and methods to make the method simpler.
Earlier than you start, it is very important collect the entire essential supplies, instruments and protecting gear. Moreover, it’s possible you’ll want to make sure that you could have the right permits and permissions in place, relying in your native constructing codes and laws.
After getting every little thing you want, you possibly can start the method of eradicating the outdated tankless water heater. This sometimes includes disconnecting the water provide traces, fuel traces, and electrical connections. As soon as the outdated water heater is eliminated, you possibly can set up the brand new one by following the included directions. Lastly, you will want to reconnect the water provide traces, fuel traces, and electrical connections.
Electrical Tankless Water Heater Alternative
Changing an electrical tankless water heater requires the next steps:
1. Security Precautions
Flip off the electrical energy on the essential breaker panel. Shut off the water provide to the water heater. Open a scorching water faucet to alleviate strain within the system.
2. Disconnect the Electrical energy
Take away the quilt plate from {the electrical} junction field. Disconnect the wires from the water heater. Cap the wires with wire nuts.
3. Disconnect the Water Traces
Use a wrench to disconnect the water provide and outlet traces from the water heater. Drain any remaining water from the traces.
4. Take away the Previous Water Heater
Use a screwdriver to take away the mounting screws that safe the water heater to the wall. Rigorously raise and take away the outdated water heater.
5. Set up the New Water Heater
Place the brand new water heater in place on the wall. Safe it with the mounting screws. Join the water provide and outlet traces to the water heater. Tighten the fittings with a wrench.
Electrical connections:
| Wire Coloration | Terminal |
|---|---|
| White | Impartial |
| Black | Stay |
| Inexperienced or Naked Copper | Floor |
Restore electrical energy on the essential breaker panel. Activate the water provide to the water heater. Examine for leaks in any respect connections. Regulate the temperature setting as desired.
Correct Vent Set up
Correct vent set up is essential for the secure and environment friendly operation of a tankless water heater. Listed here are some particular concerns for venting a tankless water heater:
Vent Dimension
The vent pipe needs to be sized to match the capability of the water heater. Undersized venting can prohibit exhaust stream and result in inefficiencies and potential security hazards. Discuss with the producer’s specs for the suitable vent dimension.
Vent Materials
Use authorized vent materials, comparable to PVC, CPVC, or stainless-steel. Keep away from utilizing galvanized metal, as it could possibly corrode and launch dangerous fumes. Make sure that the vent materials is rated for the temperature and exhaust output of the water heater.
Vent Size
Preserve the vent size as quick as doable whereas sustaining correct vertical and horizontal clearances. Extreme vent size can create again strain, scale back effectivity, and doubtlessly result in exhaust points.
Vent Orientation
Place the vent vertically to permit for pure exhaust stream. Horizontal sections of vent pipe needs to be saved to a minimal and sloped barely upward to stop condensation buildup.
Vent Termination
The vent should terminate open air, ideally at the very least 3 ft above the bottom degree. Make sure the vent outlet is protected against water infiltration and freezing situations.
Vent Clearances
Observe producer’s pointers for vent clearances from flamable supplies, home windows, and different openings. Preserve a secure distance to stop hearth hazards and guarantee correct exhaust stream.
| Clearance | Distance |
|---|---|
| From home windows or doorways | 1 foot |
| From flamable supplies | 6 inches |
| From different vents | 12 inches |
| From floor degree | 3 ft |
How To Exchange A Tankless Water Heater
In case your tankless water heater is now not working, it’s possible you’ll want to exchange it. Changing a tankless water heater is a job that may be performed by knowledgeable or a do-it-yourselfer with some plumbing expertise. Listed here are the steps concerned in changing a tankless water heater:
- Flip off the water provide to the water heater.
- Flip off the fuel provide to the water heater.
- Disconnect the water traces from the water heater.
- Disconnect the fuel line from the water heater.
- Take away the outdated water heater from its mounting bracket.
- Set up the brand new water heater within the mounting bracket.
- Join the water traces to the brand new water heater.
- Join the fuel line to the brand new water heater.
- Activate the water provide to the water heater.
- Activate the fuel provide to the water heater.
- Take a look at the water heater to verify it’s working correctly.
Security First
Earlier than you start working in your water heater, make sure to take the next security precautions:
- Put on security glasses and gloves.
- Flip off the water provide to the water heater.
- Flip off the fuel provide to the water heater.
- Permit the water heater to chill down earlier than engaged on it.
Instruments and Supplies
You will want the next instruments and supplies to exchange a tankless water heater:
- Wrench
- Pliers
- Screwdriver
- New water heater
- Mounting bracket
- Water provide traces
- Fuel line
- Security glasses
- Gloves
Individuals Additionally Ask
What’s the common lifespan of a tankless water heater?
The typical lifespan of a tankless water heater is 10 to fifteen years.
How a lot does it value to exchange a tankless water heater?
The associated fee to exchange a tankless water heater will range relying on the scale and sort of water heater you select, in addition to the price of labor in your space. Nevertheless, you possibly can anticipate to pay between $1,000 and $2,500 for a brand new tankless water heater and set up.
Is it troublesome to exchange a tankless water heater?
Changing a tankless water heater will not be a troublesome job, however it does require some plumbing expertise. If you’re not comfy working with plumbing, it’s best to rent knowledgeable to exchange your water heater.
