Tankless Gas Water Heater Installation Requirements

Restrictions on gas fueled tankless water heaters no gas appliance may be located in a room used.

Tankless gas water heater installation requirements.

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. Vent termination all tankless water heater vents must terminate at least 4 feet from a property line. And so some manufacturers don t recommend diy installation. This ef rating is based on test procedures developed by the u s.

Insulation is applied to the entire loop. The manual clearly says to appoint a licensed electrician or plumber for the job. Ok so san jose has the following requirements for where to install the tankless water heater. As a general rule any gas heater which is tankless uses combustion air must have a minimum area of 10 000 cu.

Around the water heater. For both gas and electric models a tankless water heater s overall energy efficiency is measured using an energy factor ef rating. A tank type water heater and a tankless or demand water heater for. Enclosed areas just as closets might need air ducts and extra air inlets.

Tankless water heaters generally require larger diameter gas supply lines higher voltage power supply if contemplating electric on demand dedicated special stainless steel flue known as category ii iii or iv or larger diameter exhaust system. Plumbing the most important skill is needed for working with both gas and water lines installing fixtures and ensuring there are no potential leaks or pressure issues. Mount the tankless water heater securely to the platform. A full bore shut off valve is required on cold water side unions must be installed within 12 inch of water heater to facilitate removal first five 5 feet of water line insulated maintains min.

Today tankless water heater energy factors range between 64 and 91 for gas fired models and up to 99 for electric models. Please take these things into consideration before you decide to diy. If reticulating pump in system. 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.

Electrical even gas water heaters have electrical parts and need to be hooked up to your breaker box.