Outdoor Tankless Water Heater Installation Requirements

All units are specific to indoor or outdoor installation except for t m32 and t m50 series.
Outdoor tankless water heater installation requirements. Choose a location for the new water heater that will allow you to vent it to the outside easily. Venting vent kits. Ok so san jose has the following requirements for where to install the tankless water heater. May be dedicated circuit.
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. See the use and care manual for important information regarding the venting installation and materials for your tankless water heater. Mount the tankless water heater securely to the platform.
This ef rating is based on test procedures developed by the u s. The outdoor model shall be wall mounted or mounted on a stand. Equipment connector or conduit listed for sun exposure and wet locations. 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.
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. The consumer must read the entire manual to properly operate the water heater and to have regular maintenance performed. Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models. Vent termination all tankless water heater vents must terminate at least 4 feet from a property line.
When located outdoors such receptacle is of approved type and bubble type cover is installed. 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. A tank type water heater and a tankless or demand water heater for.
Depending on the location of the unit and the model selected you may vent be able to vent horizontally or vertically. Restrictions on gas fueled tankless water heaters no gas appliance may be located in a room used. Indoor gas tankless water heater installation tends to be the most complicated due to the fact that the units must be vented. The first permit is for the water heater itself.
Make sure to install correct model type for each installation location. In almost all circumstances replacing an existing water heater will require either one or two permits. 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.