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If you reduce consumption and schedule hot water
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Waterheatertimer on Twitter |
Energy bill pie chart If you reduce consumption and schedule hot water |
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 Save 7% using timer ... plus reduce consumption and schedule hot water |
240 volt Meter on water heater I have a
timer, and installed meter on my
water heater 12-16-2011. Beginning reading 00005 KwhMeter reading on 5-30-18 showed 11732 Kwh Usage over 6.41 years ... average 1827 Kwh per year x 14¢ = $255.8 per year = $18-20 per month for 2 people Use Kwh hour meter to record usage of water heater. This is most accurate way to determine what percentage of bill is going to water heater over a full month. Take only showers for a week see what it costs per shower vrs bath ... observe hot water usage for laundry etc. To connect meter: Temporarily disconnect wires from top of heater. Install meter on two jumper wires. Use jumpers to temporarily reconnect power to water heater. Cover with tape to secure temporary connection. Add conduit and junction box if meter is to be installed for any length of time. Buy Bomain power meter Ketotek power meter 240 volt pass through Kwh meter 2T2502GA beige plastic enclosure 2T2500GA grey plastic enclosure din rails Resource: Enclosures Figure volts amp watts for water heater |
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Meter on water heater The Kwh meter is din rail mounted inside enclosure. Records billable power usage in Kwh. Multiply by rate you pay per Kwh to get monthly/ yearly cost of running electric water heater. Buy Bomain power meter 240 volt pass through Kwh meter 2T2502GA beige plastic enclosure 2T2500GA grey plastic enclosure din rails Resource: Enclosures How to install electric meter on 240Volt water heater |
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Meter on water heater Use Kwh hour meter to record usage of water heater. This is most accurate way to determine what percentage of bill is going to water heater over a full month. Take only showers for a week see what it costs per shower vrs bath ... observe hot water usage for laundry etc. To connect meter: Temporarily disconnect wires from top of heater. Install meter on two jumper wires. Use jumpers to temporarily reconnect power to water heater. Cover with tape to secure temporary connection. Add conduit and junction box if meter is to be installed for any length of time. Buy 240 volt pass through Kwh meter Resource: How many kilowatts to heat water |
| Meter on water heater The Kwh meter is din rail mounted inside enclosure. Buy 240 volt pass through Kwh meter 2T2502GA beige plastic enclosure 2T2500GA grey plastic enclolsure Resource: Enclosures |
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Regular bath uses 13- 15
gallons of hot water (20 gal water total) Set water heater timer for 45-60 minutes for hot bath Buy: Bathtubs and shower stalls at Amazon |
water heater holds 30 / 40 / 50 / 60 / 80 gallons of hot water depending on size of tank. A fully heated 40 gallon tank gives you 2 baths and a shower at one time. |
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Shower uses 6 - 8
gallons of hot water (10 gal water total) Set water heater timer for 20-30 minutes for hot shower Buy: Shower stalls at Amazon Home energy savings books at Amazon |
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Control
water heater with wifi/ zwave/ insteon/ programmable timer/ countdown
timer Use any programmable timer, zwave or wifi device that is rated for resistive load. Use Hot and Neutral from nearby 120 volt outlet to power device. Rule of thumb: Outlet box will always have Hot and Neutral, Switch box will always have Hot but not always Neutral, Ceiling box with light will always have Neutral but only has Hot when light is on. Buy: Programmable timer Countdown timer Zwave switch Wifi switch Resource: Compare programmable timers Compare countdown timers See project details and wiring |
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Use box timer Buy 240 volt/ 7-day: Intermatic EH40 timer at Amazon 30 amp timers Resource: Compare box timers How to wire EH40 timer How to wire surge protection |
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Buy Electronic parts Industrial supplies Tools and home improvement Home and garden Hayward pool Pentair pool Southwire electric |
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Buy
Tools DEWALT Black and Decker Stanley SKIL Makita Porter-Cable Bosch Irwin Hand tools Klein hand tools Fluke electrical testing Dremel hobby tools Campbell Hausfeld air powered Tekton automotive Powerbuilt automotive Saws and saw blades |
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Resource: Compare box timers DPDT timers Intermatic Control water heater w/ Z-wave |
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Resource: Intermatic control centers: and parts Digital control centers and parts Tork control centers and parts Subpanels All control centers and parts Enclosures |
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Resource: Programmable timers Countdown timers Off delay timers On delay timers Timer modules Din rail Twin & one-shot Woods Intermatic Tork |
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Recirculation systems |
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