Security Seal Facebook Twitter GooglePlus Pinterest Newsletter Sign-up
The Wall
pat

pat

Joined on October 16, 2002

Last Post on March 28, 2013

Contact User

Recent Posts

1 2 3 4 »

dangers

@ March 28, 2013 10:32 PM in snow melt boilers damaged by flood

Joe,
Totally understand what your saying and respect your opinion.flue and fresh air vent piping were flushed with fresh water for about a 20 minutes each unit.if the equipment was submerged i would not consider repair,its only that the damage was somewhat isolated since the salt water came through the venting only that i would even invest the time

rebuild

@ March 28, 2013 9:21 PM in snow melt boilers damaged by flood

thanks heatpro,
IT was salt water from the hurricane,the water came in from the flue and fresh air piping.i wouldn't sell them ,i was actually hoping i could use one for a snow melt system at my elderly parents home.i guess when i get some time i will take them apart and maybe post some pics.I had spoken to the lochinvar rep soon after the storm and he said they were scrap but after realizing that he probably must say that due to liability issues i figured someone on the wall may have rebuilt similarly damaged equipment.Tanks again

i guess its scrap

@ March 28, 2013 8:21 PM in snow melt boilers damaged by flood

i waited a month to hopefully hear from someone that may have rebuilt boilers damaged this way,but i guess silence is just as good as words in this case and as i stated in my original post if they cannot be rebuilt to as new condition I'm not interested .i would just like to thank anyone that may have taken the time to read the post and also thank all the pros that have helped me over the years.Happy Easter to all.

snow melt boilers damaged by flood

@ February 24, 2013 9:37 PM in snow melt boilers damaged by flood

Recently replaced two KBN 500's that were damaged during hurricane flooding.The mechanical room actually didn't get flooded,flood water entered the boilers through the fresh air and venting piping on the exterior of the residence .Both boilers were about 5 years old and were rarely used since they were for snow melt only.If the equipment wasn't so expensive i would just scrap it. I have never attempted to repair equipment damaged this way , considering the labor and parts needed i'm not sure what to do. Not looking to cut any corners ,if the boilers can't be rebuilt to function as new i'm not interested .Anyone ever do a rebuild like this? Thank you in advance for any responses.

Baseboard

@ March 4, 2011 2:16 PM in radiant w/ baseboard woes

Are all three baseboard zones overshooting?

Baseboard

@ March 4, 2011 9:52 AM in radiant w/ baseboard woes

Are there 4 separate zones of baseboard or 4 rooms on a single zone?

Baseboard

@ March 4, 2011 9:52 AM in radiant w/ baseboard woes

Are there 4 separate zones of baseboard or 4 rooms on a single zone?

Baseboard

@ March 4, 2011 9:52 AM in radiant w/ baseboard woes

Are there 4 separate zones of baseboard or 4 rooms on a single zone?

ODR

@ February 21, 2011 10:42 PM in upgrade to mod con question

totally agree with everything you are saying, i think i wasn't very clear on my description of the system i am working with. i have two injection pumps serving two seperate secondary sides of the system,both of those pumps are already using ODR via seperate tekmar 356 controllers.if my primary loop temp gets lowered using ODR,  will my small injection pump and lines that were designed thinking it would always have a high temp primary to draw off of be able to keep up when injecting a much lower temp?

thanks again

@ February 21, 2011 9:35 PM in upgrade to mod con question

thanks again for your time.,but now if i use the boiler ODR won't my injection pumps and piping  size  for the injection piping  be undersized since they were designed to draw off a primary loop that was never intended  to go lower than around 160.?

thank you

@ February 21, 2011 9:12 PM in upgrade to mod con question

thank you for your response,but just to make sure i am on the same page...utilize existing piping and controls and just set boiler to maintain the design day temp and don't try to use the boiler ODR option.correct?

upgrade to mod con question

@ February 21, 2011 5:26 PM in upgrade to mod con question

existing heating system is aprox 1/3  recessed cast iron rads [not oversized], 1/3 low temp high mass radiant and 1/3 higher temp low mass radiant.system also has two 56gallon dhw storage tanks.the system has two injection pumps for the radiant sides of the system controlled by two tekmar 356's.my question is do i basically leave the controls and injection pumps intact and just set the new boiler to modulate and not condense or do i take out the injection pumps and try and set the boiler up so it will condense at least some of the time?or is there another way i should be setting this up? i have no experience using a mod / con in this type of multiple temperture application ,any input is greatly appreciated.

upgrade to mod con question

@ February 21, 2011 5:25 PM in upgrade to mod con question

existing heating system is aprox 1/3  recessed cast iron rads [not oversized], 1/3 low temp high mass radiant and 1/3 higher temp low mass radiant.system also has two 56gallon dhw storage tanks.the system has two injection pumps for the radiant sides of the system controlled by two tekmar 356's.my question is do i basically leave the controls and injection pumps intact and just set the new boiler to modulate and not condense or do i take out the injection pumps and try and set the boiler up so it will condense at least some of the time?or is there another way i should be setting this up? i have no experience using a mod / con in this type of multiple temperture application ,any input is greatly appreciated.

high temp system using mod con

@ February 13, 2011 10:12 PM in high temp system using mod con

How much more efficient is using a mod con boiler vs standard cast iron boiler when the system is high temp? thank you in advance for any responses.

balancing rads on the cheap

@ February 9, 2011 10:50 PM in Fixing self inflicted heat imbalance after insulating attic

this is  the cheapest way i could think of to fix what tou are dealing with....how about draining the system and then refill it   without bleeding the radiators all the way on the rads that you want to reduce output on.just my 2 cents,hope it helps.

nyc propress problems

@ November 8, 2009 12:21 PM in nyc propress problems

i am a nyc heating contractor.this past week i had two different jobs in different boroughs of nyc that failed there finish plumbing inspections due to using propress fittings on the boiler room heating piping. both inspectors basically said the same thing"under the old code which the plumbing permit was pulled,the copper crimp fittings are not allowed".  i believe that under the old code my entire heatng system install {other than the gas supply and water supply which is done by the job plumber} is not subject to any inspecton. has any other contractors had this happen and is there any validity to the failure? thanks in advance for any responses

lochinvar venting question

@ July 26, 2008 12:08 PM in lochinvar venting question

when installing the knight 500 using the concentric vent kit cvk3007,the "y "concentric fitting is 6inch .can a 6x4 bushing be used to reduce the combustion air side or should it remain full 6inch for a specific distance before reducing to 4inch which is at the boiler? i cant find the answer in the install manual...not sure why the "y" supplied wouldn't be a 6x4.thank you in advance for any responses

snow melt question

@ March 17, 2008 11:07 PM in snow melt question

I am doing a large residential snow melt job and two of the manifolds will be about 100ft away from the boiler room.I am concerned with excessive heat loss from my supply & return lines to and from the manifolds.I have priced out pre-insulated 1 1/4 pex, but it is not within the budget given.I'm thinking of running regular 1 1/4 pex in a 3 foot deep trench and somehow sandwich the pex in extruded polystyrene.I've worked with 1 1/4 pex before,not fun.Any helpful responses are appreciated.

@ February 19, 2008 11:11 AM in extruded plate output chart

i agree,but could that account for such a drastic difference

extruded plate output chart

@ February 19, 2008 10:10 AM in extruded plate output chart

i have been using extruded aluminum plates for several years.my supplier has changed brands a few times but the newer brand always appears to be of the same high quality.it has recently come to my attention that the output charts for the last 3 brands are drastically different.one output chart shows 8" center spacing ,20degree delta t,r-1.0 covering material will give an output of 35btus per sq ft using 122degree water.identical scenario with another brand gets 24btus per sq ft ,3rd brand gets 14btus per sq ft.however slight the differences between one brand to another,i don't understand how the output charts can be so different.thank you in advance for any responses.

delaminating pex tubing

@ January 14, 2007 9:35 PM in delaminating pex tubing

recently started using 1/2 inch o2 barrier pex made by CPI /DURAPEX . used approximately 20'000 feet before realizing tubing installed months earlier seems to be delaminating the clear last layer (pretty sure its the o2 barrier).Its not happening to all the tubing,maybe 10percent.it more or less seems to be bubbling up.rep contacted me after giving sample to supply house,rep pretty much blew it off as no big deal and said it happens if tubing is exposed to moister.Rep also said they would test sample,but then never picked it up from supply house.Not really sure how this is going to be resolved since rep doesnt seem to be stepping up.Has anyone had similar issues with this product? thank you in advance for any responses

infiltration rate differences

@ September 18, 2006 10:20 PM in infiltration rate

what is the average infiltration rate difference(new constuction) between a radiant heated room and an identical room heated with finn-tube baseboard? thank you in advance for any responses
1 2 3 4 »