Plumbing

Plumbing questions? Ask a plumber and get answers ASAP.

Ask an Expert,
Get an Answer ASAP!

I have a problem with my weil-mclain gold plus indirect

Customer Question
I have a problem...

I have a problem with my weil-mclain gold plus indirect water heater. Our domestic hot water is luke warm at best. The line from the boiler to the HWT is hot, line from the tank to the boiler is slightly warm but i can easily hold it bare handed. The domesitc hot water line is only mildly warm to the touch. I would suspect it should be hot. Sounds like the pumps are running all the time for the HWT. When i turn the thermostat all the way down they shut off, when i turn the thermostat up at all they run non stop. Any ideas???

Contractor's Assistant: How long has this been going on? And how severe is the problem?

Started this morning that i know of.

Contractor's Assistant: Do you plan on doing the work yourself?

If its not to involved, just like to diagnose the problem first.

Contractor's Assistant: Anything else we should know to help you best?

Not that i know of. Leaving for a trip next week and weather is supposed to get cold here in Montana, need to get it fixed asap.

Submitted: 10 months ago.Category: Plumbing
Show More
Show Less
Ask Your Own Plumbing Question
Answered in 3 minutes by:
9/29/2017
Plumber: Rick, Construction Supervisor replied 10 months ago
Rick
Rick, Construction Supervisor
Category: Plumbing
Satisfied Customers: 24,598
Experience: Licensed Master plumber with 40+ yrs. experience.
Verified

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

There should only be 1 pump fr the water heater. The other pumps are likely for the heating zones in the house. It sounds like you have a circulation problem. How do you know the pump for the water heater is running? What thermostat are you turning up & down? What's the pressure on the boiler pressure gauge.

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
It just sounds like the pump is running at the hwt. With i unplug the thermostat it stops making noise, when i turn the thermostat all the way down it stops. I am turning down the thermo that is on the top of the hwt.40-42 psi on the boiler gauge.
Customer reply replied 10 months ago
Pump to the hwt is very hot but it is vibrating like its running, sounds like its running.
Customer reply replied 10 months ago
Are you there?
Plumber: Rick, Construction Supervisor replied 10 months ago

Have a little patience. I'm not a machine. I can only type so fast!

Ask Your Own Plumbing Question
Plumber: Rick, Construction Supervisor replied 10 months ago

Ok first boiler pressure is excessive assuming the gauge is working. 30 psi is max pressure. Above 30 the boiler relief valve should discharge. (there are a few exceptions). Under normal circumstances you can't hear a cartidge type circ when it's running. If the piping is also very hot then it would be normal for the pump to be hot too. If the piping at the pump is not hot but the pump is very hot then the pump has failed.

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
Piping is hot before and after pump.
Plumber: Rick, Construction Supervisor replied 10 months ago

Are any valves on the circulating lines to the tank shut off? If not then assuming the pump is running you probably have either a flow check stuck closed (could be in the pump or on the piping) or an air block in the circulating lines

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
Readings on the boiler are, 180 degrees currently, mix temp 118-122, mix temp target 140. Again, line from boiler to hwt is hot, return to boiler line slightly warm at best. Domestic hot warter outlet line, only slightly warm even with hot water turned on at sinks. Plenty of water volume and pressure, just no heat. Boiler furnace running almost continually unless hwt thermostat turned all the way down or disconnected.
Customer reply replied 10 months ago
All valves to and from tank open. Has been working fine for two years since last maintenence check up. Nothing has been changed. How do you check for a flow check issues? If that is the problem, how is it corrected?
Plumber: Rick, Construction Supervisor replied 10 months ago

Your parameters don't add up. The only way the burner runs almost constantly is if the water circulating to the tank is giving up it's heat. This would track with hot in warm out on circ lines but then the water in the tank can only heat up.

Ask Your Own Plumbing Question
Plumber: Rick, Construction Supervisor replied 10 months ago

How long has the burner and pump been running but no hot water?

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
The boiler does not run all the time but it will burn to heat the temp up to around 190, the. Turn off, sounds like pump still running to hwt, boiler temp drops to around 158 and the boiler fires again, repeats continually.When i turn the thermostat off the hwt however, the boiler turns off and temps stay hotter MUCH LONGER. Before dropping down to the 158 where the boiler starts up again to reheat.
Plumber: Rick, Construction Supervisor replied 10 months ago

you didn't answer my other question

Ask Your Own Plumbing Question
Plumber: Rick, Construction Supervisor replied 10 months ago

How long has the burner been cycling and the pump running?

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
First noticed the problem this morning. Boiler is not burning continuously but it is going through its burn cycle continuously. Pump near the hwt is running all the time unless thermostat is disconnected or turned all the way down. No change in temp of boiler return line or domestic hot water out line.
Plumber: Rick, Construction Supervisor replied 10 months ago

Something just came to mind. Is the house on a slab?

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
No, well, majority of house has crawl space under it, about 4 feet tall. One attached room was to be an attached garage but that was converted to a rec room, it has a slab floor but all other house has crawl space under it.
Plumber: Rick, Construction Supervisor replied 10 months ago

The only scenario that fits all the parameters in your description is a broken hot water line. I asked about a slab because it wouldn't show under a slab. The only way your burner cycles and pump runs constantly is if you're dumping hot water somewhere. I'd turn every fixture in the house off then check the water meter for any movement or the pump gauge (if you have a well) for any presure drop.

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
Heres a question, if i lift the relief valve on the top of the hwt, should the water coming out be hot or cold? Because its only slightly warm?.?
Plumber: Rick, Construction Supervisor replied 10 months ago

It would be no hotter than the water out of the faucets.

Ask Your Own Plumbing Question
Plumber: Rick, Construction Supervisor replied 10 months ago

Your system is acting normally as if the water in the tank isn't hot. The only way that happens is if you're using the hot water or it's leaking somewhere.

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
Should that not be hot? I can see every inch of hot water line from the boiler to the hwt, there are no leaks. I am not saying the boiler pumps are working, i am saying, the furnace is firing repeatedly. Fires the furnace, boiler temp raises to 190 or so, furnace turns off, over around a 5 minute time frame, the boiler temp drops to 158 and the furnace kicks back on and brings temp back up to 190 or so. Thats with the hwt pump running.When i turn the hwt thermostat down all the way, the boiler furnace has not turned on once in the time in the past 25 minutes and boiler temp is stil 170....
Plumber: Rick, Construction Supervisor replied 10 months ago

You did say the pump was working and I've been laboring under that assumption this entire time. If the pump to the tank isn't working and you have a call for hot water the boiler will continue to cycle until you turn down the aquastat on the tank. The pump not working (a circulation problem like I mentioned before) would also explain these symptoms.

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
No hot water turned on anywhere in house. I can see every inch of hot water line from boiler to hwt, no leaks at all. If we were loosing hot water after the hwt, the domestic hot water line from out of the tank would be hot, it is not, its cool.If i turn a hot water faucet on in the house and let it run, the domestic water line coming out of the hwt does not get any warmer.Again, boiler line to HWT is very not its entire length from boiler to hwt. The return line from hwt to boiler is not hot at all even with pumps turned on... seems like there is hot water to hwt from boiler, none coming out of hwt either from the return to boiler line or the domestic out line to the house?
Plumber: Rick, Construction Supervisor replied 10 months ago

Did you read my last response?

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
Whenever the thermostat is turned up below its lowest position the pump to the hwt runs continuously that is correct. Only time this turns off is when the thermostat is disconnected or turned off. Water temp coming out of the hwt never changes. Its not COLD but only luke warm at best.
Plumber: Rick, Construction Supervisor replied 10 months ago

I have nothing else to add. I covered all the possibities. Since you say you have no leaks then you can only have a circulation problem. The possible culprits which I have covered already are: a bad pump, a problem flow check or air in the loop. The fix is to replace the pump or the flow check or purge the loop.

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
Where is the flow check located?
Plumber: Rick, Construction Supervisor replied 10 months ago

I already answered this question.

Ask Your Own Plumbing Question
Customer reply replied 10 months ago
Just read every post you typed and do not see where you say where the the check valves are.....
Plumber: Rick, Construction Supervisor replied 10 months ago

at 2:39
"... If not then assuming the pump is running you probably have either a flow check stuck closed (could be in the pump or on the piping)... "

I've covered all the possibilities. There's nothing more I can add. If you have more new questions I'll respond when I return from a break.

Ask Your Own Plumbing Question
Plumber: Rick, Construction Supervisor replied 10 months ago

Do you have more questions?

Ask Your Own Plumbing Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a plumberLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Marc Your Own Question
Marc
Marc
Marc, Plumber
Category: Plumbing
Satisfied Customers: 1,127
1,127 Satisfied Customers
Experience: Plumbing heating & home maintenance contractor

Marc is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future.

JimmyBagley, IA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

Marc

Marc

Plumber

1,127 satisfied customers

Plumbing heating & home maintenance contractor

Jerry

Jerry

Plumber

786 satisfied customers

over 20 years residential plumbing experience.

Theplumber717

Theplumber717

Plumber, Hvac Tech

656 satisfied customers

Lic Plumbing contractor, 28/yrs res,com,repair,Universal HVAC Tech

Phil

Phil

Mechanical Engineer.

632 satisfied customers

Retired mech. contractor, shop owner, 51 yrs experience.

Mario

Mario

Master Plumber

604 satisfied customers

Master Plumber, Fire Sprinkler, and Jobbing Spec.

Bud

Bud

Plumber

538 satisfied customers

22 Years Field Experience - 17 Years Business Ownership - Residential or Light Commercial

Rick Mather

Rick Mather

Building Inspector

498 satisfied customers

Assistant Building Official, HVAC Tech

< Previous | Next >

Related Plumbing Questions
I have a Weil Mclain CGS Gold boiler. There is no domestic
I have a Weil Mclain CGS Gold boiler. There is no domestic hot water unless I turn on the CH. This was no problem during the winter as the CH was always on, however, with warm weather the CH is usuall… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
I have a Weil McLain GOLD PLUS 80 water heater. would like
I have a Weil McLain GOLD PLUS 80 water heater. would like to replace it with same. How much are they and where can I find one?… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
Hi I have a weil-McClain gold hot water boiler (in the floor
Hi I have a weil-McClain gold hot water boiler (in the floor hot water heatig system) with a side tank for domstic hot water. the unit is 15 years old. although I do not have a problem with it, I am t… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
I have a Weil McLean Ultra 155 boiler with an indirect-fired
I have a Weil McLean Ultra 155 boiler with an indirect-fired Gold Plus hot water tank. Fuel is propane. A thermostat is calling for heat and the zone pump runs, but the boiler doesn't fire. Hot water … read more
Rick Mather
Rick Mather
Building Inspector
Vocational, Technical or Trade Scho
498 satisfied customers
I am interested in replacing my 40 gallon hot water heater(located
I am interested in replacing my 40 gallon hot water heater(located in my basement) with an indirect water heater. In 10/05 I installed a Weil Mclain Ultra 105 gas fired boiler (105,000 btu, 93% effici… read more
Plumbing Pro
Plumbing Pro
Licensed Plumbing Contarctor
Vocational, Technical or Trade Scho
1,248 satisfied customers
I have a hot water baseboard heating system. A 7 year old furnace
I have a hot water baseboard heating system. A 7 year old furnace marked WEIL-MCLAIN GOLD OIL, and a water heater unit marked GOLD PLUS. It looks like the overflow pipe from the heater is dripping con… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
i dont have hot water. have indirect fired water heater. have
i don't have hot water. have indirect fired water heater. have to restart boiler. Not sure how to. have a "weil mclain GOLD OIL FURNACE"… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
I want to convert from oil to gas. I am going to put in a Weil
I want to convert from oil to gas. I am going to put in a Weil Mclain Gold GV series4 boiler ( gas fired). I would like to know if this is a boiler with a good reputation and is typically problem free… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
I need to replace 25 yr old Weil Mclain oil boiler/beckett
I need to replace 25 yr old Weil Mclain oil boiler/beckett burner and 50 gallon XXXXX XXXXX HW heater also w/ beckett burner. My old boiler does not have Taco pump Circulator on top supply (as picture… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
We have a Weil Mclain Gold Plus 40 indirect water heater. For
We have a Weil Mclain Gold Plus 40 indirect water heater. For some reason it has stopped heating our water. This morning the water coming out off all hot water faucets/showers was lukewarm, this eveni… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
I am looking to replace my boiler in a 2000 sq ft house with
I am looking to replace my boiler in a 2000 sq ft house with baseboard heat. I am looking for a boiler that has at least 90% energy rating. I have received bids for the following type of boilers; Tria… read more
Ken Plumlee
Ken Plumlee
Journeyman Plumber
High School or GED
27 satisfied customers
I have a Weil McLain Indirect Water Heater. Im not getting
I have a Weil McLain Indirect Water Heater. I'm not getting any hot water from it. I can feel that the pipe going into the water heater is hot AND the water heater is calling for the boiler to produce… read more
Ken Plumlee
Ken Plumlee
Journeyman Plumber
High School or GED
27 satisfied customers
I just installed a boiler with model #CGQ-4 Mea#155-00-E.
I just installed a boiler with model #CGQ-4 Mea#155-00-E. The boiler continues to run, even though the temperature in the room far exceeds the thermostat setting. Yesterday I set the thermostat at 60 … read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
My 18 year old V75T Burnham has been dying a slow & now not
My 18 year old V75T Burnham has been dying a slow & now not so slow death. I need a new boiler. I have radiator heat in a 140 year old 3 story house (2,500 sq.ft.). I believe the BTU requirement is ab… read more
Mario
Mario
Master Plumber
High School or GED
604 satisfied customers
Have 1600 sqft ranch with 25 year old oil fired boiler in Poughkeepsie
Have 1600 sqft ranch with 25 year old oil fired boiler in Poughkeepsie NY. Technicians recommending I replace. Assuming I want to continue to live here for another 25 years, what would you recommend a… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
when wiring a weil-mclain ultra 155 gas boiler with a weil-mclain
when wiring a weil-mclain ultra 155 gas boiler with a weil-mclain gold plus 80 indirect fired water heater and also using taco sr504 and 506 expandable relays for circs and also using zone 6 as a prio… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
what is best 80,000 btu oil heat and hot water replacement
what is best 80,000 btu oil heat and hot water replacement system for900 sq.ft. ranch home 60 years old open basement with lined masonary chimney… read more
Rick
Rick
Construction Supervisor
24,598 satisfied customers
have well mclain boiler hwt heat with a stainless tank for
have well mclain boiler hwt heat with a stainless tank for domestic hot water to control the water to the coil in the tank a zone control valve reduce the water pressuer from 90 to 60 hot water is abo… read more
Bud
Bud
Plumber
High School or GED
538 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x