Search: Posts Made By: coolmen
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Replies: 3
Views: 238
Posted By coolmen

boiler sizing

I am looking at a 1940s water boiler american standard rated at 420.000 btu
It has 6 circ zones.

I gathered all the info for each radiator and came out to be around 230.000 btu EDR total
I...
11-04-12, 12:43 PM
Replies: 3
Views: 925
Posted By coolmen

I went to the house and ran a 100' 12 gage...

I went to the house and ran a 100' 12 gage extension cord, capped off the panel side of the circuit and spliced in the extension cord to the power switch.
they had some 12 people living in the...
11-04-12, 09:34 AM
Replies: 3
Views: 925
Posted By coolmen

wiring up boiler with gen HELP

I am a hvac contractor who has lots of cold homeowners due to the storm.
At this time the stores are out of transfer switches to do.

I have a family with a 6 mon old and twin 4 yr old who are in...
Replies: 6
Views: 1,818
Posted By coolmen

Manaul J was performed and 64,000 btu is needed. ...

Manaul J was performed and 64,000 btu is needed. 104 ft base board required.
So my weil mcclain cga-4 net IBR is 77,000 and looks to be the proper size. then the cga 5 that is over sized.
With...
Replies: 6
Views: 1,818
Posted By coolmen

Shouldn't I be concerned with low water return?? ...

Shouldn't I be concerned with low water return??
The homeowner is concerned with over sizing and I just emailed him that. I will perform a manual j load calc.
Replies: 6
Views: 1,818
Posted By coolmen

I understand manual j is the most precise way and...

I understand manual j is the most precise way and I do them all most every other day . I was told tho that with boilers having the baseboard all ready sized for the house to just match the output...
Replies: 6
Views: 1,818
Posted By coolmen

boiler sizing

When i size for boiler replacement I measured total ft x 600 . and the 3 zone house requires a 5 section boiler. The home owner asks that if we not calculate the basement 50ft and size for just the...
Replies: 15
Views: 1,520
Posted By coolmen

I went and replace the defective indirect tank...

I went and replace the defective indirect tank and fired her up. all excited then 10 min later she stopped working . Solenoid valve not working. I checked for voltage on the. Primarys. L2 and...
Replies: 15
Views: 1,520
Posted By coolmen

I found that the a troll tank has failed and is...

I found that the a troll tank has failed and is what caused the build up of pressure.
Also I found that sitting down and reading all materials so to get an understanding of the controls has made it...
Replies: 15
Views: 1,520
Posted By coolmen

You are correct and the pump is controlled by the...

You are correct and the pump is controlled by the 3250. When I jumped out the tr/tw on the 3250, the circ operated.
Replies: 15
Views: 1,520
Posted By coolmen

I have a becket burner controlled by a Beckett....

I have a becket burner controlled by a Beckett. Genisys 120v replaces a R7184P. Pre and post time.

The aqua stat is a hydrostatic model 3250 lwco,limit,thermal targeting
The boiler has 3 honey...
Replies: 15
Views: 1,520
Posted By coolmen

have another question that maybe you can answer...

have another question that maybe you can answer on the controls.

Im gonna had a 40 va tformer to control the 3 honeywell zones motor/t-stat side.

I have fuel smart hydro stat model 3250 (...
Replies: 15
Views: 1,520
Posted By coolmen

I went back today and replaced the pressure ...

I went back today and replaced the pressure reducing valve and the expansion tank. I found that the pressure was still inching its way 20 plus psi. I have not bleed out the in tire system of air...
Replies: 15
Views: 1,520
Posted By coolmen

Help. piping water feed

I replaced a boiler and my problem is the new presure reducing valve is either bad or something else going on.

Question, By connnecting the water feed on the retun and having the exspansion...
Replies: 2
Views: 995
Posted By coolmen

backflow preventer is connected to prevent this...

backflow preventer is connected to prevent this per code.
Replies: 2
Views: 995
Posted By coolmen

water feed

I came across a water boiler where the water feed line was tapped off the hot side of the hot water domestic heater. Why is it there and not on the cold side? Did someone make a mistake or is this...
Replies: 15
Views: 1,149
Posted By coolmen

No, I was at the time of taking pic shuting some...

No, I was at the time of taking pic shuting some zones so to push the circ through one zone at a time. By comparing the old grudfus circ chart ,the taco 0011 look to be a closer match. this house...
Replies: 15
Views: 1,149
Posted By coolmen

zone valve does open when a call is made. ...

zone valve does open when a call is made.
Comparison of both circs. the grundfus seems to be larger. flow chart at 10gpm = 20 ft head and the 007 10 gpm = 7.5 head. The max a 007 is smaller if...
Replies: 15
Views: 1,149
Posted By coolmen

http://img823.imageshack.us/img823/6144/boiler.jpg...

http://img823.imageshack.us/img823/6144/boiler.jpg (http://imageshack.us/photo/my-images/823/boiler.jpg/)

Uploaded with ImageShack.us (http://imageshack.us)
Replies: 15
Views: 1,149
Posted By coolmen

http://img543.imageshack.us/img543/8877/boilerr.jp...

http://img543.imageshack.us/img543/8877/boilerr.jpg
Replies: 15
Views: 1,149
Posted By coolmen

Do i need image shack to place photo

Do i need image shack to place photo
Replies: 15
Views: 1,149
Posted By coolmen

replaced boiler problem.

I replaced a weil mcclain boiler cga-6
I am not getting heat to 2nd floor. but ok on 1st floor and basment basebrds.
The old boilers exspantion tank connectedon top of the boiler
While i Connected...
Replies: 7
Views: 883
Posted By coolmen

I see, I was assuming a short but not sure. I...

I see,
I was assuming a short but not sure. I probally should not have got involved with this one due to the fact that they would replace a part any try firing up, replace another then try firing...
Replies: 7
Views: 883
Posted By coolmen

should this be the case with all weil mcclain...

should this be the case with all weil mcclain systems with zones added? or any zoned system.
You cant simply use the t-former provided to do everything.
Replies: 7
Views: 883
Posted By coolmen

Weil mcclain he-5

I get a call to a flood victim house. I arrive to find the boiler all light up with lights and 2 russians from the bronx trying to fix this thing.Turns out they have been replacing just about...
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