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Robert O'Brien

Robert O'Brien

Joined on November 16, 2005

Last Post on August 18, 2014

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Recent Posts

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Got this email in the spring

@ July 8, 2014 5:58 PM in Getting into mod/con business

I finally had a chance to calculate the savings after switching from oil to gas the other day. With the new system you installed I saved 56% compared to the previous year. Even better, I got my gas bill today and after finally taking a meter reading (they have been estimating my usage since February) they just credited my account $349. So the saving ends up being a bit better than 56% - I didn't update my calculations yet.

I just thought I would pass that info along as you asked the last time you were here and I think that the savings are very impressive.

Thanks once again for all of your help with the system.


This isn't a mod/con,it's an 85% CI gas boiler. It replaced an old oil steel boiler and John Wood oil fired HWH.It's also not corrected for degree days and 2013-2014 winter was much colder than the prior year,so the savings is well over 60% of which only 37% can be attributed to the fuel cost differential.


@ July 2, 2014 8:08 PM in One of the greatest heating tech' has passed away


@ July 2, 2014 8:11 AM in anyone know of a place where i can get dedietrich products?

BNL 2008

@ July 2, 2014 8:05 AM in One of the greatest heating tech' has passed away

Chris kneeling on the far left


@ June 29, 2014 6:08 PM in One of the greatest heating tech' has passed away

I don't know what to say,had the pleasure of meeting him an BNL a couple times,a great guy!

200' horizontal and 12' vertical?

@ June 28, 2014 3:07 AM in Problem with Oil Fired swimming pool heater

Way too much lift,I would go with a pressurized system.
As a band aid,you could increase the prepurge time to the max on the Genisys,45 seconds. That may buy enough time to reprime the deaerator before the TFI. If that doesn't do it,wire around the primary and see how much time you need to prime. If it less than 120 seconds, a Carlin Promaxx has 120 second prepurge.

I agree

@ May 29, 2014 7:40 PM in Top reasons for doing business with.

Timely delivery,fair prices and stocking what is needed. It's not rocket science,yet it seems very difficult to meet these requirements


@ May 26, 2014 8:18 PM in Jody Samuel a great addition

Learned a lot from Jody in Warwick. Best of luck in the new position!

Escalera Power Hand Truck

@ May 24, 2014 4:08 PM in Escalera Power Hand Truck

MLA-HC 60 with the removable forklift. It has carried many boilers upstairs in the last 9 years and certainly has the bruises to prove it,but it still works fine. $1000


@ May 17, 2014 7:44 AM in What do you think of this product?

It may have a niche,most Americans think saving energy is nice but certainly not at the expense of a shower that isn't however as long and hot as they,their wife and teenage daughter may desire!

The number 7744

@ May 16, 2014 6:42 PM in Issues with & Replacement of Honeywell L8148E Aquastat

is the date code. It was made October 1977. Buy a Beckett Aquasmart or a Hydrostat 3250 and solve the problem while upgrading to an energy saving control for very little $$

Chimney liner

@ May 16, 2014 6:38 PM in Buderus G124

You need a liner with an exposed masonry chimney.

Have a Logamatic,or a conventional aquastat? Either way,the boiler return temp will vary wildly,a bypass would be easier than repiping P/S or use something like this


@ May 16, 2014 3:38 PM in Plumbing Signoff assistance Needed

I'm driving cross country next month,do I have to get a license from every state,county,town and village along the way?

Heat loss

@ May 14, 2014 5:39 PM in Too big of a Buderus?

No need for a heat loss on an oil heated 1200 sq/ft home. The smallest oil boilers are at least double what you need. What type of chimney? A 215 can't be downfired by any appreciable degree,the stack temp will be too low. i'd go with a B10-3 or 115/3

Congrats, Ron Jr !

@ May 14, 2014 3:52 PM in Congrats, Ron Jr !

Ron was presented with a plaque from Oil Heat Cares in honor of his perfect record of volunteering for every single Oil Heat Cares project done by The LI chapter. Tough record to top!

Happy Birthday!!

@ May 6, 2014 3:33 PM in Alan Mercurio!

Happy Birthday Alan!  A half century?


@ May 6, 2014 1:28 PM in Cerro Press Tube

Saves a crimp and coupling but I don't see it being cost effective. How much time does it take to crimp two joints vs one? You already have the machine in your hand

I'm not missing this!

@ May 6, 2014 1:26 PM in OESP Road Show is next week at Mohegan Sun

Presenter: Dan Holohan

Hydronic radiant heating may seem new but its story starts in 1911 in
Liverpool, England, where 119,000 square feet of radiant walls graced
the Royal Liver building (the world’s first reinforced-concrete
building). And this happened before the invention of the centrifugal
pump. Travel through time as Dan Holohan takes you there and back and
forth across the world to other important jobs in the development of
hydronic radiant heating. Dan will share lots of great photos and
captivating stories in this one.

Happy Birthday!!

@ May 3, 2014 8:30 AM in Happy Birthday M.E.


OESP Road Show

@ April 30, 2014 10:56 AM in OESP Road Show

Great education schedule! Not to mention Dan H on the "Roots of Radiant"

What Devan said!

@ April 27, 2014 3:56 PM in Failed ignition on triangle tube pt 110

They have a new ignition cable also,the noise you are hearing is a delayed ignition

Thanks,Dan H.!

@ April 9, 2014 8:27 PM in Thanks,Dan H.!

"While our friend Dan Holohan was presenting his Classic Hydronics seminar to benefit OESP's scholarship fund, Judy Garber announced that OESP has name one of the scholarship's in Dan's honor. Dan is a founding father of the scholarship fund and has remained a major supporter throughout the years. Through Dan's efforts and generosity, OESP has awarded over $250,000.00 since 1999.
Thank You Dan for all you have done for us! It is much appreciated."

Via New Haven CT Chapter
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