Do I need to unplug my hot water recirculating pump when I turn off the water to the house?


Hot water recirculating pumps make hot water available more quickly in your home by getting heated water where you need it before you need it. They save you time, money and water. Here are the step-by-step instruction for installing one.

Replacing a Recirculation Pump

In this video, Greg demonstrates the removal of an older inoperative recirc pump an its replacement with a modern Grundfos COMFORT pump.

How to Get Hot Water with a Recirculating Pump

Watch the full episode: This Old House plumbing and heating expert Richard Trethewey explains how a recirculation line can save energy, money, and...

How to Install a Hot Water Recirculating Pump

Hot water recirculating pumps make hot water available more quickly in your home by getting heated water where you need it before you need it. They save you time, money and water. Here...

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You probably have heard about hot water recirculation pumps in your redesign and remodel of your bathroom. Have you ever got up in the morning and realized that it will take you at least a few minutes to wait for the water to warm up in your shower? Or have you ever gone to wash your hands and washed them in completely cold water because the heat has not quite got to the spigot in time to allow you to clean your hands? You are not alone. Many homeowners face these same problems. In order to remove your wait, you need to install the hot water recirculation pump. You can actually install the pump yourself in a weekend timeframe. Below are the steps involved with installing the recirculating pump.

Step 1 - Obtain a Building Permit

Before you add any type of plumbing component in your home, you need to take a trip down to your local municipal building or township building and find out whether you need to apply for a permit to install a hot water recirculation pump. Many...

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These tips will help you fix it when there's no cold water in the shower, ... No Cold Water In Your Shower? How to Fix a Leaky Shower Drain photo tutorial. Hot water needed now? I only get hot water out of my shower head and no cold water. The exact process for adjusting the hot and cold water will depend on the type of faucet in your shower or tub, but the general idea is as follows: Remove the handle. Are you tired of having to wait for minute to get your shower To empty your water lines: Shut off your water at the water main. I have a top load washer that overfills. With the same screwdriver, pop off the plastic cap located at the end of the faucet handle. Want hot water in the tub, but youre only getting cold? Troubleshooting Water Heaters Problem and Repair Guide (updated 2017) Troubleshooting water heaters, common causes, symptoms and Drain the pipes in the shower after it is shut off until no water remains. If your shower water does not get hot or ......

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Are you someone who likes to have hot water ready at a moment’s notice? Are you tired of having to wait for minutes on end to get your shower or faucet up to the right temperature each time? If so, then a hot water recirculating pump may be the right thing for you. These handy devices allow you to manage the hot water in your house much more effectively, and can even save you a lot of money on your water bill. Today we’re going to look at some of the best hot water recirculating pump on the market, as well as go over the most important features and benefits you should pay attention to when making your final decision.

Top 6 Hot Water Recirculating Pump Comparison Table

Best Hot Water Recirculating Pumps Reviews - Top picks

1. Watts 500800 Hot Water Recirculating Pump

If simplicity and efficiency are the most important things to you (they should be), then this is a fabulous place to start with regard to finding the right pump for your home. Watts is...

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Save over 10,000 gallons a year (the manufacturer claims up to 17,000) by installing a hot water Recirculation Pump. This pump makes hot water more quickly available everywhere in the home, thereby reducing the wait for hot water (and thus the savings by not letting all that cold and warm water go down the drain while waiting for hot water).

Hot water recirculation pumps can be located either at the water heater itself, or at a point of use (fixture) in the building, and either timer aquastat driven or on demand & aquastat

Pump at the water heater (dedicated return line)

Pumps located at the water heater are suitable for installations with a pre-installed hot water return line. The building's main hot water line is kept primed with hot water without pushing any hot or warm water into the cold water supply. However, hot water supply branches from the main supply line to individual fixtures are not kept hot, and there will be a short delay while this water is...

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The Laing Autocirc #2 and the Watts you have operate the same in that the pump is ON all the time except when you set the timer to turn it off. The temp valve at the farthest sink opens and lets the less than hot water run into the cold side till the water is hot then closes.

The Laing Autocirc #1 operates the pump ONLY when the thermostat in the valve senses that the water is cold.

In my experience the Autocirc #1 is more economical as the pump only runs when necessary. costs less in electricity, and outs many less hours on the pump.

The Autocirc #2 and the Watts is a derivative design to accommodate installations where there isn't an electrical outlet under the sink farthest from the WH.

Isn't there an AC outlet under the kitchen sink for a dishwasher?

Now, on to brickeyee...

I agree with him that a proper, REAL (OK brickeyee), recirculating system is preferable and that the service and return line(s) in that system should be insulated...

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A18: Our tankless heaters are designed for an entire home. Our smallest unit can provide up to 6.6 gallons per minute and our largest unit can provide up to 13.2 gallons per minute. Some heaters have the Quick-Connect feature which allows identical heaters to be linked to double its output. So how do you figure out how many gallons of hot water you need for your home? Here are some helpful tips:

1. How much hot water do you use at the same time? A standard shower head, dishwasher, washing machine is about 2.5 gallons per minute each. If you typically use all three of these at the same time, that would require 7.5 gallons per minute or the NR98 series. Bath tubs are usually 6-8 gallons per minute, and rain head showers and body sprays definitely requires more hot water than a standard shower head. So if you demand more hot water you will need a larger sized unit or another identical unit with the Quick-Connect feature.

2. Remember to pick the right size unit for...

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Comment by Dont touch that dial

August 30, 2009 @

11:55 pm

For safety’s sake yes, turn off the hot water heater.
If you can’t find the switch (it’s prolly a breaker in the breaker box/load center), turn off the power to the house.
If the water drains from the hot water heater while it’s still on, you could be forcing a R/L test of the T&P valve.…
Did you watch MythBusters blow up hot water heaters?

Comment by oldmanwi

August 31, 2009 @

5:01 am

If anything should cause it to get empty. Like a leak or a siphon effect. it will build steam pressure and explode. It is better to turn it off and be safe.

Comment by Bitter_t

August 31, 2009 @

10:28 am

If its electric I would to be on the safe side. It should remain full and casue no issues but if it empties it will burn the heating element up. It gas its ok either way


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