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- Mixing valve on Tankless. . . ? — Heating Help: The Wall
And where the energy savings comes from by running the Tank less at 140 degrees just to get the hot water to a safe temperature Then, ask them why they aren't requiring Mixers on tank type water heaters the thermostatic gas control could fail too and cause scalding
- Ban on Gas Instant Hot Water Heaters? - Heating Help
In a significant regulatory shift that took place quietly the day after Christmas, the Biden administration finalized new climate rules targeting natural gas-powered instantaneous water heaters The Department of Energy (DOE), which traditionally issues a press release for such regulations, chose not to announce these changes publicly, raising
- Tankless Hot Water Heaters — Heating Help: The Wall
There are times in which a storage tank helps to be connected to a tankless water heater The primary purpose here is to provide a quicker response to hot water needs, especially those times of small demand - ie- washing hands, shaving, etc This can negate some of the savings advertised since tankless models do not maintain a tank of hot water
- Two Rinnai tankless water heaters connected in parallel. Only one ever . . .
Either it’s a control issue or a balance issue We had an issue with a couple of a o Smith masterfit water heaters Units plumbed in parallel but only unit one would fire up on use 50 unit building, observed no firing from unit 2 except via heat loss Pinched down cold water supply valve an eighth of a turn and unit 2 fires now
- Tankless Water Heater for Cast Iron Radiators? - Heating Help
I have one contractor telling me this is a great way to go, less expensive and very efficient I have another contractor telling me that tankless hot water heaters don't have enough flow capacity to do a good job, and a boiler is really required As a side note, our climate is moderate - very cold nights here might get down to 20F, but that is
- Want a storage tank to make tankless water heater more efficient.
Cold water in the bottom then let the water warm up to room temp comes out the top of the tank I would look at 80 gallon If incoming water temp is 40 degrees can you get the temp up to 55 or 60 degrees This would help a tankless water heater out in the winter How warm is the room the tank will be in?
- tankless vs. tank hot water heater in place with hard water
With Soft water and flushing the heat exchanger once a year the tankless water heater can last 10 - 20 years With Soft water and flushing the tank and replacing the anode rode every two years the tank type can last 10-15 years Hard water can void warranty on tankless gas water heaters
- Direct Vent vs. Power Vent vs. Tankless - Heating Help
Condensing water heaters (tank or tankless) cost a bit more, but many natural gas utilities have some kind of rebate program for them The choice between tank and tankless will depend on use patterns, water hardness, and fuel costs The venting also costs quite a bit less than the double wall stainless stuff and it's easier to install
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