![]() ![]() Most households will see little savings from using an instant-tankless waterheater, in practice. What are the shipping options for Circuit Breakers All Circuit Breakers can be shipped to you at home. Most of the cost of running a normal (modern, well-insulated) tank-type water heater is, in fact, the cost of heating the water that you actually use. Check out our lowest priced option within Circuit Breakers, the Q-Line 40 Amp 1/2 in. If you have gas available, it's more of a toss-up - gas and HPWH can be similar in cost to run, and a gas water heater will usually cost considerably less to buy. The NEC makes this allowance because the nameplate rating is based on the oven and burners all being on high at the same time, which doesn’t happen very often. 285-Series Circuit Breaker - Surface Mount 40A. ![]() Changing to a heat pump water heater (HPWH) can, by contrast, save quite a bit and get you "free dehumidificaton" in the summertime. This means that for this 12,000-watt oven, you could supply your new receptacle with 8 AWG cable and a 40-amp breaker, rather than 6 cable and a 50-amp breaker. Thermal circuit breakers provides medium duty circuit protection for 25 to 150 Amp loads when switching. a tank-type electric resistance heater that's insulated to modern standards) - and if it does stand vacant for long periods, you can switch the water heater off when you leave. If you call for hot water while the dryer or range is in use (as obvious heavy loads on your panel), you may well trip the main, if you do not upgrade to 200 amp service before installing this water heater.Ī different water heater might make more sense, unless you have other reasons to upgrade your electric service one of the heat-pump water-heaters (or a heat-pump-add-on to an existing water heater tank), perhaps.Įdit, Add: Unless this is a house that stands vacant for long periods of time, there's surprisingly little "standby loss" (what you save by using an instant tankless electric resistance heater. Used Cutler-Hammer Westinghouse HFD3040L 40 Amp Circuit Breaker available from Industrial-Stores. Your 100 amp service is already somewhat loaded, as well as the box being physically full. 10,000 Amperes Interrupting Rating (AIR). Provides overload and short circuit protection (240Vac). I think you're going to need an electric service upgrade if you want to use this water heater. Typical application for a double pole 40 Amp breaker include overload and short circuit protection for electric ranges. Find 40 Amp, 240 VAC, 2 Pole, Panel Mount Miniature Circuit Breaker at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over. ![]()
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