How To Install a New Boiler Pump
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- Опубліковано 14 жов 2024
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Grundfos UPS15 Boiler Circulator Pump: amzn.to/2UhifEk
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Here I go through the diagnosis process for a stuck boiler circulator pump and then the step by step instruction for how to replace the failed pump while draining as little water as possible from the system.
If your boiler / water furnace is not working this is a very common issue as hydronic circulator pumps are a wear part that will fail after 10 or 20 years of use.
You can support the channel at NO cost to you by using one of the above affiliate links (even if you don't buy the exact item you will still be helping with any purchase you make).
Blessings from MN,
Ben
You were very calm at the end when you described a potential fireball shooting out the bottom of a defective boiler!
This video made me proud of myself, 😂 because in the 70s and 80s I had a forced hot water system and I knew about everything you said except the 10 lbs of pressure in the line. I don’t remember a pressure gauge on it, but
there probably was one. The furnace I had was oil fired...Thanks for the video.
This summer I put shutoff values on both sides of all my pumps so I don't have to worry about losing water and getting air in the lines. Enjoyed the video.
That is so worth the investment!
@@BenjaminSahlstrom 6:13 Ground wire is mostly likely the Conduit.
You're a really smart guy. I hope that if you want, you get to the point where you make more money from you tube than you do in your trade. 👍👍
Hands down one of the best Explanations of a Boiler and Installing a new bp Ben, keep up them awesome videos, Respect IceMan
I just bought the same pump but it's a little shorter than the original pump to reach the flanges on the pipes. What do I buy to make it fit? 😩 Btw great video 👍
Wonderful video and so very well explained. This helped me hugely. Thanks for making this.
Thanks so much for this. My pump is on the supply side but has no isolation valve. You pretty well convinced me I could DIY this if I had some way to shut it off, but it looks like I’d need to drain my whole hot water heater so maybe a job for the pros 😂.
It's always nice to be able to at least understand what you're up against. Hope it turns out well for you!
Excellent video, and great channel! I just put a Bell and Gossett NRF-25 in my Bryant 234 P4W, with pretty much just this video as a tutorial.
I also liked the video of the ice carousel.
I'm more of a Watch Wes Work guy, but you have some cool videos, and I will check back.
Great video - very thorough! Do you have any videos about mini splits??
Made it look easy. And explained it very well
Excellent detailed explanation that I was looking for. If the pump is fairly new, is it wise to just replace the cartridge or buy a new one. Thanks for your answer
The safety valve is called a PnT valve
Pressure & Temperature
Either will cause that valve to lift
I noticed the check valve was installed in the new pump. Did the old one have the check valve installed ? Another reason to pay attention to flow arrow
Fantastic explanation and video, the best. Thanks...
Great help. Thank you.
Awesome tutorial and explanation! Thanks!!
Great job diagnosing and replacing that pump! I heard you mention about an air vent or bleeder on a high point of the system that was non existing. Where the expansion tank was connected, the device on top (that you placed your hand on) is a Spiro vent. It will take care of all or any air in the system, this is basically an air scoop and high vent on steroids, I use them on all my boiler/radiant systems and would highly recommend them over old conventional ones.
There's a ground going to the pump; it's the metallic shield of the MC cable. You're probably not used to that type of cable where you are in MN; it's common all over NYC and used almost exclusively on boilers because it is rugged and tolerates vibration well.
What do you do in cases like this one where the conduit is attaching to a plastic pump housing? Do you add a ground wire in that case?
@@BenjaminSahlstrom I suppose the best thing to do is is pull a ground through the flex in that case. I didn't realize any of these things were made with totally plastic housings. Your original unit had a metal housing and was thus grounded through the metal flex. Grundfos is a leading manufacturer of pumps; I'm really surprised they use a fully plastic housing. Presumably they sell most of these things in Europe where MC cable is normally not used. Taco pumps seem to be the gold standard in the U.S. and they've always been made with metal boxes for wiring.
That style pump like most newer pumps was designed for liquid-tight connections because of the wet environments they're usaully exposed to, so it would/should require a 14/3 conductor also rated for damp locations.
Great vid Benji ...
Question:regardless of whether the thermostat calls for heat or not (set temperature in the room has reached), the burner will fire up and heat the water in the tank if it is below 180F and bring it back to 180F, right? while the circulator pump, which is controlled by thermostat should not work/kick off bacause the temperature is already reached.
Good video dude!
Thanks!
The humming sounds like a train horn...lol Keep up the good videos, I enjoy them.
Nice video Ben!
Could you make a video on the different types of junction boxes, cover plates, connectors? When to use, where to use, how to use? With what wire (Romex, THHN, MC etc) what conduit / fittings? Some boxes have brackets or not , or raised ground or not. Explain the differences. That would be a helpful video
You are very good at this. and I know you know this. however never have any jewelry of any kind while working on pluming or electric.
Thanks for the feedback!
A question was installed by a pump and they put the arrow up I see that you installed it down and I have a doubt if it goes up or down on both sides.
Are the flange gasket/seals? The circular ones universal? I followed the link you put but it just gave me an amazon search. The one the looks the closest is one that is made for a Taco pump. Would that work?
I think I need a more in depth video on how to correctly install an electrical box cover... Next Wednesday 😉.
I have one of these on my boiler. Can you explain why it is running when the boiler is not on and not calling for heat? If that is a problem, how do I fix it?
Wish i had that shut off valve!
I think you left some packaging material in the pump, looks like white paper in the port. :) Unless that's a checkvalve of some sort.
Check valve. :)
Great Video. What is the job Circulator Pump does and use for in Boiler ? Thank you for sharing ^_^
It moves hot water from the boiler to radiators in the home and back in a circuit
Can you do a wire diagram vedio I whould like to figure out how to installed a pump from scratch
nice!
That's a cute little pump. The last time I changed one of those I had to use a fork lift to lift the pump out and back in. And it used Victaulic couplings. Glad I'm retired now.
My goodness that must have been a huge pump! I haven't worked on any pumps that I couldn't lift but some of them have been pretty large 3 phase pumps.
@@BenjaminSahlstrom Yeah, it was the chilled water circuit for a plastics manufacturing plant. The water line was 6". We had a row of three of them feeding three circuits off one chiller. Two of the pumps lifted water to two cooling towers. The third was for chilled water to the process equipment. There was more support equipment than actual process machinery. It was my job to keep all this running 24/7. A lot of late hours. But I loved it.
I just replaced my pump and had to use a car jack to lift the old iron pipe which refused to let the old pump go.
Well it appears your accumulator(expansion tank) is well sized for the system. You started out at 10 psi and high limit cut out before it reached 20 psi. I think those pressures are fine and the red pump is a much better pump.
Nice job
theres that yellow NON fluke. get a fluke. great vid.
Hahaha, you caught me! Which model Fluke would you recommend?
@@BenjaminSahlstrom 87 iv
If it goes over 180 degrees water star boiling and you will also get air in the lines
I think the new pump needs less amp, so try medium speed and that prob works really good.
Medium speed would work just fine. Most boiler systems aren't very sensitive to the pump speed.
That boiler looks like it was never serviced. Replace the drain valve and add some boiler treatment.
I just discovered that whoever installed my pump twenty five years ago before I bought the house installed it backwards. It's pumping water into the returns of the radiators instead from the returns into the boiler.
Is it similar to a water heater?
Not really but there are some similarities.
Something I’ve learned just touch it to make sure it’s not a life.
Why not use a box, open end, or socket wrench to remove & replace bolts & nuts? The fancy pliers are just lazy. I am not sure wear this took place , what brand pump or spec but I bet a ground wire is required.
Probably. :)
Ed Sheldon: I like the Knipex because you don't have to carry five thousand box-ends (exaggeration) or search for the right size you might have misplaced.
That release need some wd 40
same people same result 😪
Not a pump !!!! These circulate ,they don't pump
I am about to replace my water pump, do not think I can take on the job but good to know. BTW, can I get a cost for part and labor?