Indoor gas tankless water heater installation tends to be the most complicated due to the fact that the units must be vented.
Outdoor tankless water heater installation requirements.
Depending on the location of the unit and the model selected you may vent be able to vent horizontally or vertically.
Venting vent kits.
Mount the tankless water heater securely to the platform.
The first permit is for the water heater itself.
Restrictions on gas fueled tankless water heaters no gas appliance may be located in a room used.
The consumer must read the entire manual to properly operate the water heater and to have regular maintenance performed.
When located outdoors such receptacle is of approved type and bubble type cover is installed.
Build a platform with 2 x 4 inch pieces of lumber that will allow you to mount the new tankless water heater about four inches from the wall.
Choose a location for the new water heater that will allow you to vent it to the outside easily.
The outdoor model shall be wall mounted or mounted on a stand.
Vent termination all tankless water heater vents must terminate at least 4 feet from a property line.
If money or return on investment is the principal reason you are considering converting to a demand type water heater you should perform an accurate total cost analysis that reflects all of the costs to install operate maintain both types of water heaters.
110 120v receptacle installed within 3 feet of equipment.
Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models.
See the use and care manual for important information regarding the venting installation and materials for your tankless water heater.
In almost all circumstances replacing an existing water heater will require either one or two permits.
Make sure to install correct model type for each installation location.
This ef rating is based on test procedures developed by the u s.
For both gas and electric models a tankless water heater s overall energy efficiency is measured using an energy factor ef rating.
Refer to the installation manual for approved vent material diameter and maximum run lengths.
A licensed professional must install the water heater according to the exact instructions on pages 4 20.
This is as easy as heading down to the local planning or building department to ask for one.
All indoor tankless gas water heaters must be vented vertically or horizontally to the outdoors using factory approved venting material no other venting material is permitted.
A tank type water heater and a tankless or demand water heater for.
A few rare cases may also require a third permit.
May be dedicated circuit.
Equipment connector or conduit listed for sun exposure and wet locations.