Jan 26, 2023 · When tankless water heater is used instead of tank water heater (27000 or 36000va vs tank 4500va) how should the calculations be done to size the panel in a dwelling …

Dec 22, 2023 · Customer has a 24kw on-demand water heater, her lights (some) flicker when the hot water is on. The unit is 240v, has 3-40 amp two pole breakers.

Nov 17, 2013 · Electric house with the only gas being cook-top, & now the owners are talking about electric demand water heater. For the load calculation, is it kept @ 100% or is d-rating …

Aug 22, 2013 · Surge protection for on-demand, exterior, tankless water heaters The gas company ran a new natural gas line from across the street to the home. I'm sure the gas …

Dec 13, 2012 · The instant water heaters take the demand out of the tank and pushes it onto the electric system. This requires a bigger, stronger, less efficient electric supply system and that …

Jun 9, 2022 · That leaves electric tankless units suitable only for electric only houses. So, if a house is all electric, what size service would be needed for a tankless water heater? In what …

Jan 26, 2009 · I think he's talking about an electric instant water heater, which could have three 50A circuits feeding it. Isn't a water heater a separate structure? Sorry --I just had to --

Feb 5, 2023 · I thought why not get a small tankless water heater that would go before the tank heater to feed it with warm or hot water. I wouldn't need truly endless hot water so it wouldn't …

May 18, 2008 · There is a tankless instant water heaters underneath the sink in a restroom. Next to it there's a 4-square box with a industrial cover plate with a single pole switch rated for 20 …

Aug 4, 2017 · Gas tankless water heaters use just a tiny amount of amperage to ignite the flame. Unless the manufacturer requires it, there is no need for a dedicated circuit.