Navien NCB-240 Combi Boiler 3 way Valve Replacement
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- čas přidán 20. 01. 2016
- This is a fun way to start your day
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#MIHeatingGuy - Jak na to + styl
I have had an NCB in my house for 10 years now, no issues. But the 3-way is starting to click, so I am going to buy a replacement for it because I know it's about time.
Oh this video brings back frustrating memories. I finally removed the entire unit and replaced it. It cost more money on my part but saved my sanity
Legit just changed this 3-way valve and everything that this video said could happen…. Happened. Really resourceful video.
This is why I like old school cast iron boilers. Easier to work on and much more reliable. And they last much, much more longer.
You can thank sales guys who wanna make a quicker bang for their buck and let service techs deal with the fallout
@@TheGhettoLobsterThat is so true
Nice to see that even the professionals don't get it right the first time. Thank you. Replacing 3-way as soon as the part arrives.
Great job. I admire your knowledge and patience with these things. Like you said thy are great boilers until they break and you need to change out something
I'd never advise my customer to go from a cast iron boiler to a navien. These were a big, big headache when my company first started installing them.
Straight junk
Great video , was a huge help , today had the exactly same issue and fix ! Thanks again for posting this!
Nice work! Great tip on the 300 degree plumbers grease! My ncb 180e 3 way pump hasn't shit the bed yet but I wanna be ready to go with parts and o-rings
just had a navien ch240 that got hit with reverse polarity. took out board , 3way valve,circulator, & during process found a crack in heating side strainer assembly. use silicone grease only. and take your time. naviens support is great. i didnt have a union at the 3way. had to cut and repair piping to get mine.
Helpful video, thanks. Got one to change out this morning, was looking for a little guidance
Thank you buddy!Good luck in the future!!!
Oh brother I feel your pain, I have had to pull the same parts 3-4 times and thought I would lose my mind, that was a few years ago, I am replacing the valve this week but will steal your grease trick, thanks. PS I installed a Dunkirk combi. Wall hung I loved it, the difference was like working under the hood of a car from the 70s campare to under the hood now with no room to put your hand.
Thanks so much for the video. Huge help.
Thanks from Canada! The apprentice and I burst out laughing at the leak bit. Way to hold your tounge to keep it G rated haha.
That was gnarly. Good repair!
Took a little time but it came out good Thanks
Thanks. Very helpful video!
Great job 👏! 🫡
2:55 I sighed the same sigh brotha lol
Yes, those are fun to replace. Looks like you have a Navien Common Vent Damper missing on those two. I would recommend 3 " exhaust pipe and use 3X2 tee to connect it when you change it to CPVC , Just my humble opinion.
great job in close quarters thanks
It was a pain but it came out good thanks for watching
Awesome job especially one handed in that small space standing in water! I live in the northeast and have natural gas service. I currently heat the house with a wood stove and have a direct vent domestic hot water heater. I am looking to install a high efficiency boiler for at least the home heating baseboard that I am going to install. I like the idea of a combi boiler. Do you have any advice for a new installation regarding what brand? My house is approximately 1500 square feet of livable space (2 floors not including the basement which will not be heated)
Thanks for video I’m dreading changing out going Tuesday looks like fun times ahead gonna watch a couple more times to get to memory thanks and prey for me 🙏🤞
Thanks again couldn’t of went smoother I used a little faucet grease on every o ring and connection I was in and out in a little under 2 hrs just thankful for video I watched a bunch of times and replaced 3 way like I did it a hundred times before thanks again
Good work man. looks like fun.
Thanks job is a little bit of a challenge
Laars FT FTW. Good video
U got any videos on how to change the mixing valve on navien npe 240s?
What’s the average service time on this 3 way valve?
What is usually the cost of the material and labor for this job. Great video thank you!
GREAT VIDEO WE ARE BUYING THESE TO REPLACE OUR TRANGULER TUBE
Nice work. Shared on FB
Thanks for sharing on Facebook thanks for watching appreciate the comments
That was a good helpful video, and you recorded it without to much background noise like most how to vids. What kind of camera did you use and I guessing you had it on a head strap?
Best info I give everyone is if you need to change that 3 way valve
What I do is disassemble the new valve
And memorize the order
Then remove just the guts from old valve
It saves soo much time
I’ve done many times
And only takes about 1/2 hr
And another 1/2 hr testing operation when your done
Just a little trick of the trade that not too many guys know you can do!
But be careful and use United technologies leak lubricant they use on threads and flares and o rings 👍🏻
Thank you for your video, I had to replace my 3 way valve today.. looked like it was corroded inside. Also I am noticing something like "grease" condensation on the heat exchanger, what could be causing this "grease" to come up? Thank you again.
I've seen that on many units too. Would love to know what it is.
@@andylarson3547 I found out that the exhaust pipe was too close to the air intake. The air coming in was "contaminated". I found a way to stop this. Problem solved!
@@cesetar66 Did you end up extending your exhaust?
@@autonomy5649 I did not but I made sure that the intake was further away from the exhaust pipes and that fixed the "grease" problem 100%
It is a bad part from the factory if you send pictures to Navien they will replace it, these things are junk
The navien 3 way valve part number went from 30004831b to 30004831c, Hopefully an improvement on the part!
GFCI trip only during domestic hot water , works ok on heat
so impressed that you're working with one hand, how much this kind of repair cost? my Navien boiler is 5 years old, 3 way valve coming anytime soon!
Replacing a 3way valve soon. Hate working on these units. Last one i did had a leak on an O ring an had to take all apart, what a waste of time.
thanks for the video. I have the exact same model and the space heating died on me, but I had hot water. no error codes tho. I took out the strainer to the space heating side to clean out and it was full of crap. once I put it back in I started to hear a suction noise maybe from the 3 way valve? anyway once the DHW triggered to turn on the burner I got a e205 error and the Temperature rose above 200. no DHW now. you think it's the 3 way valve that just completely died out on me?
+Danny A very well could be a three-way valve or could be a pump thanks for watching
I have replaced these and they suck to get to. It’s almost easier to take it off the wall.
Thanks for this video my friend, i struggled through one of these tonight.
+Diamondssnpr 3-way valves are no joke to replace real pain in the ass thanks for watching hope this video helped you
I did two of these 3 way valves this week. (Week from H3LL) And the damn O rings on the one I did today kept rolling out of place on me. I sh!t you not the one I did today, I had to take apart and put back together 5 friggin times before it didn't leak.
+cavibird2005 plumbers Grease that's what you need or o ring greese to prevent leaks thanks for watching
What’s the 3-way valve do? Mine needs to be replaced after about 7yrs
+Jeff Jones it's a common thing that happens the three-way valve controls Heat and hot water when the unit is running hot water it closes off the boiler Loop thanks for watching
How about cutting an access opening on the metal box right where the valve is, next time just open the panel and change the valve, if this is a common problem
How much does this valve replacement cost? My service company quoted $1800.00 for this repair. How long should the repair take by a qualified technician? I know the part is $50
so I cant see how I should be paying so much for labor. Great video. Also, Im considering cutting a 6" square on the left rear side of the cabinet. This should make it possible to replace valve without taking out the circuit board and pump. Thoughts?
Shouldn't cost that much to do that job. It sounds like your contractor is giving you the. I don't want to do it price. Where are you located?
I have an issue with my navien 240 combi, the code im getting is E.001 . does anyone know a possible solution?
Call customer support. Probably 3 way. Smoked board. Or dirty unit. Or a million other things
Cambia la bomba de circulación o la 3-way valve, suerte!!
Navien's are a nightmare. I worked on my first one about 2 months ago. It was giving a high pressure water fault code. I flushed the hell out of it. Got a bunch of crud out of it. Got the code to stop and got it working. Never maintained, in a apartment complex. Used to do their hot water and heating in a fan coil unit per apartment. I quoted them on replacing it. Funny thing, there was another hvac contractor there working on other units there. He was complaining about them to me. He replaced the control board and water pressure sensor in the unit I was working on. Oh, well. I didn't have to go back there. The property management company there likes our company. I have 8 A/C units to repair for them at another site next week starting 5-22 2017.
+polishtheturd mickelson I think you need to come work for our company let me know
I like where I am working at. I think I seen you Friday on I 75 heading south by University drive about 4:30 pm. I was going north. We were both doing about 15 mph in a 70 mph zone, lol.
If you like spending a lot of money on repairs, buy a Navien. I just got rid of mine, lasted 9 years. Had repairman out at least every year for new parts. Replaced with a real one- Ream
So is the headache of these worth it?
Those are great and definitely worth it but not for all installations, those boilers are designed to work for 10 years + without a problem on a residential installation. Problems you hear about is caused by improper installation or boilers being used in a commercial install where they are heavily used and abused, what causes parts to wear out faster.
I changed it the other day no big deal. It started working instantly. Just those screws. Lol. The worse.
yes, the screws are the worst, I start to use a coupling and short nipple before connecting the union it will give someone lot better access to the one in the back.
Too bad they didnt have good engineers to make a cut out door to the 3 way valve
i stand with my comment..53 plus years in the trade, 39 on my own.can you match it .???
I can see you post videos about your trade online on your channel so everyone can criticize you can you match it???
Designed by BrainStorm Engineering Co. Feel bad for you bub.
That's a good one just took a little patience that's what got it done
"There's nothing I can do" about the pump drain water going all over the floor. Yes, there is. Use a funnel with a hose to a bucket. Make something. Use your head. Come prepared next time. Flippin' dingleberry.
Most of the times with these pieces of shit the best way to fill it up when ur done working on it is to very slowly open the valves. That will gradually increase pressure instead of busting all that water in all at once. Works every time. O rings for water piping is the worst idea in the history of this trade. Same goes for flare connections for high pressure refrigerant. They suck, horribly
never heard of a pail to catch the water ? you wouldn’t be working for my company after seeing that video...and yes i’ve changed a few of them...
Well I think you need to change a few more😊😊😊
Shop vac works as well. That and a fan to dry up floor.
Okay NO Way to these combi boilers that you need a doctorate from Harvard to work on..!
Ese parte es una basura
What a pain , no thanks
It all paid by the hour the longer it takes the more money I make thanks for watching as always
These things are great except for service? How are they great if they’re a nightmare to service? Personally I can’t stand these over complicated pieces of junk