who can install new water heater
claudia valentine
6 months ago
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maddielee
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6 months agolast modified: 6 months agoRelated Discussions
new water heater install
Comments (5)Changing out a water heater is simple, but making the initial installation is absolutely the most difficult part of the entire plumbing job. In order to do it correctly you must have a thorough intimate knowledge of not only the Plumbing Code, but the Mechanical Code, Gas Code and your local Fire Code. In many jurisdictions when we pull the plumbing permit we have to pull a seperate permit for the water heater and I can assure you, when the inspectors look at a new water heater installation they go over it with a fine tooth comb. You stated that the intended location has a floor drain, but is that in a basement, a utility room, a storage room, a garage or a carport? Because each of those locations have entirely different requirements. Is the proposed location a confined or unconfined space as specified in the code? What is the source of combustion air? Is that installation location shared with HVAC equipment? If so, the return air to the HVAC unit must be ducted in from outside the room. Are there other combustion appliances in the room such as but not limited to a furnace or laundry dryer? Will there be a horizontal run on the exhaust flue? If so, what is the height of the vertical flue? If it is in a garage or carport the base of the water heater must be elevated a minimum of 18" above the floor. You also stated that the floor drain discharges outside on the ground, but is that point of discharge 6-24" above grade and in plain sight or will it ultimately be concealed behind shrubs? The proposed location may not be in a bedroom, bathroom or a room which opens directly into a bedroom or bathroom. If the water heater is installed in a carport or garage you must have steel bollards or other suitable barriers to prevent contact with vehicles. Does you local code require seismic strapping? Can you use flex gas line? Maybe, but that is strictly up to your local code. You may be able to run the entire gas line with CSST gas line, but you will still be required to provide a shut off valve, drip stub and a union in the immediate vicinity of the gas burner, and the CSST may not be connected directly to the water heater. If your house is plumbed with PEX or CPVC many local codes require the first 5' from the water heater on both the hot & cold to be metal pipe (copper pipe, galvanized iron pipe or brass pipe) and you must have a union on both the hot & cold lines within 12" of the top of the heater. The drain pan must have a 3/4" drain line and it may discharge into the floor drain, however the lowest point of that line must remain a minimum of 2" above the flood level rim of the drain. You must also have a dedicated drain line from the T&P valve. The T&P valve MAY NOT discharge into the drip pan. The T&P valve drain line must also discharge into an approved indirect waste receptor or outdoors at least 6" but not more than 18" above grade in a conspicuous location. And from my experience, just when you think you have all of that figured out, the inspector will come up with some obscure local requirement you never heard of....See MoreTank Water Heater vs. Tankless Water Heater
Comments (4)Guys if you read the post, the reason the tank water heater was so expensive was due to the construction required to get his house up to code. I personally like my tank heater. If your changing from a tank to tankless there is alot of work to do. Moving water lines, moving gas lines (possibly upgrading gas line size too) and running a new intake/exhaust if using gas, upgrading the main service amps if using electric. Some things to consider Tank Heater Pros Costs less to replace in the future Easier to maintain (Tank water heaters are easy to flush out every year) Easier to install (dont have to upgrade gas line or main service amps) Gas water heater will still operate in power outage (electric will still have some hot water to use for a while till power kicks back on). Cons Not as efficient as tankless No Tax Credits Hot water limited by FHR (first hour rating) Tankless Heater Pros Unlimited hot water More efficient Saves space Cons Will cost more in the future to replace (there is no guarantee the tankless will last longer than a tank version, the heat exchanger can go bad and that is the most expensive part of the tankless) , Harder to maintain (you need to try to clean those tankless heaters out every year with a descaler so they stay working efficiently) Harder to install (upgrade gas line or main service amps) Tankless heaters have a limited throughoutput. While it is unlimited hot water, it can only supply so many gallons of hot water at a time Will not operate in a power outage. A tankless water heater is controlled by electronics whether the heater is gas or electric does not matter. Requires minimum gallons per minute from city water supply, some people have not been able to install due to that problem. Consumer reports note that users complain of inconsistant water temperatures. http://www.consumerreports.org/cro/appliances/heating-cooling-and-air/water-heaters/tankless-water-heaters/overview/tankless-water-heaters-ov.htm Another good site to look at: http://www.waterheaterrescue.com/pages/WHRpages/English/Longevity/tankless-water-heaters.html...See MoreDecreased water pressure after new heater installation
Comments (1)The vertical static head loss on the cold water riser is immediately offset by and equal and opposite gain in the drop on the hot water side, therefore the actual gain in vertical head pressure loss is zero. With an 18" increase in elevation the combined total additional pipe length is 18"x2=36" or 3'. For 3/4" copper pipe the additional friction loss at a flow rate of 1gpm would then be 0.003psi and in a worst case scenario, at 10gpm the additional friction loss would be 0.024psi which is hardly enough to even be perceivable on a standard pressure gage. It is far more likely that some sediments were stirred up during the change out and have now obstructed the screens in the Kitchen faucet & lavatory faucet aerators, washing machine line screens, the shower head flow restrictor or water ports and possibly in the toilet fill valve orifices. The solution would be to remove the aerators and washing machine feed lines and clean the screens. then disconnect the shower head and clean the flow restrictor or water ports and finally, if necessary disassble the toilet fill valves and either clean the orifices or change the diaphrams....See MoreCan i have a pan put under a water heater that is aleady installed?
Comments (1)" It is possible to have a pan installed now?" Yes,and you certainly should do it. " Also what about putting in a drain in the floor next to the heater? is that hard to do?" Simple to install and nessary....See Moreclaudia valentine
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