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Rick
Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 13860
Experience:  40+ yrs. experience as a licensed oil & gas technician.
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I have this boiler peerless wbv-04-150-sp. it will turn on

Customer Question

I have this boiler peerless wbv-04-150-sp. it will turn on and then go off after 2 minutes and does not go back on
Submitted: 3 years ago.
Category: HVAC
Expert:  Rick replied 3 years ago.

Rickheatdoc :

Welcome to Just Answer, I will do my best to help you solve your problem

Rickheatdoc :

Have you hit the reset button on the burner?

Customer :

Hi, no have not

Customer :

to get it to run, I turn off the switch with the red plate

Customer :

and then turn on again

Customer :

then it runs for about 9 minutes and stops

Customer :

gets up to about 3 on the pressure.

Customer :

gauge

Rickheatdoc :

Is this a hot water or steam boiler?

Customer :

have taken this video http://www.youtube.com/watch?v=F_KvtrT18Kk

Customer :

steam

Rickheatdoc :

Sounds like normal operation except for not coming back on. You could have a bad (service) switch or possibly a faulty pressuretrol

Customer :

took off the caps on 2 of the radiators upstairs as well

Rickheatdoc :

or the nipples into the pressuretrol could be clogged

Customer :

I went and bypassed the pressure value

Customer :

to reduce options

Customer :

also joined the thermostat wires

Rickheatdoc :

you mean the pressure control?

Customer :

a honeywell box

Customer :

has only 2 wires

Rickheatdoc :

I'd try replacing the switch

Customer :

I agree.

Customer :

but when I bypass, the boiler still does not work

Customer :

I just mentioned I joined the thermostat wires

Customer :

should I keep it that way, or separate again

Customer :

does not seem to change things

Rickheatdoc :

not the pressuretrol the switch you are turning on and off to get it to work

Customer :

turning on and off the red switch

Customer :

that gets it to work

Rickheatdoc :

yes, replace that switch

Customer :

emergency switch

Customer :

it is a single pole switch

Rickheatdoc :

replace it

Customer :

we can do this with either emergency switch

Customer :

should I replace both then?

Customer :

did you see the video?

Customer :

I can just bypass them

Rickheatdoc :

OK, I guess it's not the service switch. The only thing left would be the low water cut off

Customer :

low water cutoff seems to work ok

Customer :

if water is low the light goes on and can not start

Customer :

if I remove the probe, it sends the low water alarm

Rickheatdoc :

There are no other components that affect system operation. You jumped out the stat and pressuretrol the low water cut off is all that's left. Since it's intermittent it's not likely to fail consistently

Customer :

?

Rickheatdoc :

I can only do so much from here. You've eliminated all the possibilities except the low water cut off so (without being there) that's all I got

Customer :

how do I get it to run

Customer :

and then I can turn on and off

Customer :

want more pressure

Rickheatdoc :

3 psi is max for residential systems. You will ruin your air valves at higher pressures

Customer :

house is not warm

Customer :

it runs for 9 minutes or so and then stops. I like this idea, but in the past it has run for about 20 minutes and then stopped.

Customer :

psi was a little over 5

Customer :

old steam boiler system in 1924 house

Customer :

sorry, new burner

Customer :

as of 3 years ago or so

Customer :

need it to stay on a bit longer.

Customer :

going upstairs for a bit. taking all ideas

Rickheatdoc :

3 psi max

Rickheatdoc :

the operating range is 1 to 3 psi. Jacking up the pressure won't give you more heat

Rickheatdoc :

steam moves faster at lower pressure and the difference in temp between 3 psi and 5 psi steam in insignificant

Customer :

k

Customer :

want it to stay on longer

Customer :

hi

Customer :

so it is running longer now

Customer :

had it one for 15 minutes, most of radiators are hot

Customer :

the way it stayed on, was moving wires in the control box

Customer :

I think I jumped the power right to the motor, etc.

Rickheatdoc :

I don't know why your burner is not running longer with the pressuretrol jumped out. I've already told you the low water cut off is the only component left. Perhaps the water level isn't stable and it's shutting off on low water.

Rickheatdoc :

I don't have any thing else for you

Customer :

so, I connected the wire that goes to the motor directly to the power coming in

Customer :

then it runs.

Customer :

the control boards only control high pressure and the low water. or ?

Customer :

I am bypassing the entire control board.

Customer :

want to find out what it may be.

Customer :

sorry for the confusion.

Customer :

as you mentioned, seems to be related to low water

Customer :

not sure what needs to be replaced forr this

Rickheatdoc :

is the water level stable when the burner is running?

Customer :

I think so

Customer :

sorry, had to take care of a couple of things

Customer :

how can I tell?

Customer :

glass sight tube is clogged, so not sure.

Rickheatdoc :

watch the level in the glass the level shouldn't move more than ~1/2" up nad down when the burner is running

Customer :

ok, thanks

Customer :

as mentioned, sight tube is clogged

Customer :

usually fill tank about 15 seconds once the water level says it is low

Customer :

not sure how to clean it out.

Rickheatdoc :

You need to take it apart and you will probably need a new sight glass and definitely new gaskets. Since you can't see the water level you will need probably need to drain the boiler before you take it apart

Customer :

it can not be cleaned out and then gaskets added?

Customer :

not sure how to remove.

Rickheatdoc :

back off the nuts at the top and bottom of the glass then it will (probably) lift up then out.

Customer :

ok, then can remove the lower valve, correct?

Customer :

removed the top one

Customer :

ok, will let it cool down

Customer :

and then drain

Customer :

will let you know. this will help original issue.

Customer :

let me know if I should do this some other way, but figuring I need to let the water cool dow

Customer :

n

Customer :

I have to drain it into sump pump and do not want it too hot

Rickheatdoc :

drain it before you take it apart. you must remove the glass first then back off the valves

Customer :

sure

Customer :

ok, will try this

Rickheatdoc :

safest way is to just let the boiler cool down, you could add some water VERY slowly to cool it down

Customer :

Hi

Customer :

so, cleaned out the lower site tube value

Customer :

had a LOT of black sludge

Customer :

now site is up

Customer :

water is jumping about an inch or so

Customer :

whenever you have time.

Customer :

thanks

Customer :

the relief value does not seem to be working. I am going to buy a new one of these, I think

Rickheatdoc :

is it dropping out of sight? I suspect you were shutting down on low water since you had no way of knowing what the water level was.

Rickheatdoc :

I would appreciate an accept given how much time I've spent with you on this

Customer :

Hi.

Customer :

could still use some guidance here

Customer :

still do not know what is wrong with my boiler.

Customer :

the pressure is about 5psi and still the radiators are cold

Customer :

still overriding the low water and pressure controls

Customer :

thanks

Rickheatdoc :

No way you have 5 psi on the system and your radiators are cold. You can't even start to build pressure until all the air is vented out of the radiators and the air vents close. The air vents won't close until the radiator is hot

Customer :

Hi, I am unsure what this means. I had 5 psi and some of the radiators were cold. The water level still jumps up and down. not sure what this means

Customer :

went down to pick up wife and kids from mother in laws. we are on the east coast, so had this storm

Rickheatdoc :

Your gauge must be broken since there is no way you can have cold radiators and 5 psi on the system. The only other possibility is the the radiator shut off valves are closed. If the water level is unstable it is an indication the water in the boiler may be too dirty and should be drained and refilled. The weather is not relevant

Customer :

Hi, I drained the tank a couple of times, but guess I need to do it again. I saw online that the water may jump due to the flame. Does the flame get adjusted? Also, what am I supposed to do with the problem. right now I do not have the low water or pressure sensor involved in running. My wife keeps turning it on and I keep turning it off saying it has been on enough.

Rickheatdoc :

You should call in a qualified service tech.

Rickheatdoc :

I've told you all I can on this subject

Customer :

I realize this has extended a bit, but need to learn what to change

Customer :

all radiators now are warm. it took a bit. I also added insulation on some of the pipes in the basement. Not all are covered. (most are)

Customer :

I can take a video of any part of this to help

Customer :

we reviewed a couple of things, but in the end it is the same problem. any help in determining what this is could be is greatly appreciated

Rickheatdoc :

You need to remove the jumper from the controls you have jumped out one at a time and see if the boiler responds. If it doesn't respond after removing 1 jumper then that control is probably the problem. Also remove the pressuretrol and check for a clogged nipple where it connects to the boiler.

Rickheatdoc :

BTW if I had spent this much time with you at your house it would have cost you over $300. As it is now if you accept I get $14

Customer :

sorry about 14!

Customer :

do not know how to just jump the low water

Customer :

sincerely XXXXX XXXXX!

Customer :

will have more questions

Customer :

will work on it more and see how it goes. if this solved most of it, will happily send more money

Customer :

would like to pay direct, since 50% is a bit high of a cut

Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 13860
Experience: 40+ yrs. experience as a licensed oil & gas technician.
Rick and 6 other HVAC Specialists are ready to help you

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