How to Use a Multimeter to Check the Voltage on a Water Heater : Hot Water Heaters

How to Use a Multimeter to Check the Voltage on a Water Heater : Hot Water Heaters

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Checking the voltage on a hot water heater is going to require the careful use of a device called a multimeter. Use a multimeter to check the voltage on a hot water heater with help from an area manager for Roto-Rooter Plumbing & Drain Service’s Independent Contractors Division in this free video clip.

Expert: Dave Jones
Bio: Dave Jones is currently an Area Manager for Roto-Rooter Plumbing & Drain Service’s Independent Contractors Division. He oversees 17 Roto-Rooter locations for the company.
Filmmaker: Dave Jones

Series Description: Hot water heaters are one of the most important appliances in your home, but they can also become one of your biggest nightmares if you aren’t careful. Get tips on managing and maintaining your hot water heater with help from an area manager for Roto-Rooter Plumbing & Drain Service’s Independent Contractors Division in this free video series.
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Tankless Water heater - on demand water heater for RV and skoolie

A demo of my Tankless Water heater – on demand water heater for RV and skoolie, and a comparison between traditional tan water heaters Links to water heater and pump below:
http://dredman.com/3years/stuff/handy-dandy-gadgets-for-skoolies/
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12 thoughts on “How to Use a Multimeter to Check the Voltage on a Water Heater : Hot Water Heaters”

  1. I put my leads on both of the two top screws and it blew the leads off my multimeter. What gives? I did it exactly like the video showed.

    Reply
  2. also mention that some single element , lower capacity water heaters use 120 volts and will state that on the information sticker on the heater.

    Reply
  3. Absolutely love my 3 year old Eccotemp L5!!!

    Some things I've done differently is that I used PEX plumbing, and branched the hot water out to 3 Sharkbite ball valves. one for clothes washer, one for shower wand, and one to a open ended water hose, so I can instantly manipulate where I want the hot water to go. (valve to washer stays open, because of the solenoid valve on washer)
    sharkbite ball valve s3.amazonaws.com/s3.supplyhouse.com/images/products/zoom/22185-0000-4.jpg

    secondly, since my input water is from a garden hose with great pressure… I use a garden hose ball valve just before it enters the bottom of the heater to manipulate my water temp… I leave my two valves on the heater wide open.
    images-na.ssl-images-amazon.com/images/I/61JtbuG3wfL._SX355_.jpg

    it's worked this way flawlessly for over 2 years.

    I've also tested this setup with a 55 gallon poly drum and a 12v water pump from harbor freight, with same results.
    this setup is temporary, and once I get everything plumbed for whole bus, I'll reuse everything.

    hope this helps someone

    Reply
  4. I agree it's a no brainer on the on-demand water heater and composting crapper! No if only I could implement those things in my house as well.

    Reply
  5. "I wanted to roll, I wanted to live"… Rolling is Living.
    Sounds like a great country song or the title of the book to follow.
    That is the life for those of us who love the road. Different people. Different places.
    Also, the water heater is good. Was in that business for years. Install a whole house tankless Rinnai brand in my home. They are efficient and normally trouble free.
    The only detail people need to watch is the gpm delivery (at) temperature rise. If you get into a very cold climate, the cold water in will decrease the hot water out. Simple. We installed a unit in CO. The delivery was insufficient. Then we added a tank to bring the temp of the water up to room temp. Then the unit kept up with demand better.
    Of course, if you only have a couple people to worry about, just stagger your hot water usage. Beats the hell out of that black hanging bag contraption.

    Reply
  6. Don my name is Dave and this is a great informing video. I just bought a 1989 Bluebird on Saturday July 1 2 days ago. And I am a sponge I am learning a great deal from you videos.

    Reply
  7. The on demand system for homes are very popular. Most fit under a sink cabinet. The ones I have seen are suppose to act much like the one you have but they vent that comes from the unit to the outside.

    Reply

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