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The only thing I don't do from the recommended annual maintenance list is flush the exchanger or clean the CH filter. And when the boiler is powered up and fires up, I then use a Testo 310 test set to run thru all the combustion, draft, pressure and temperature efficiency tests, which of course...

Thks for the reply. Is there any obvious way to check for this? I did take the condensate resevoir off the bottom of the exchanger and out to empty and clean it, ensuring there were no blockages. It seemed ok and was discharging water as intended. Could there perhaps be a problem with the...

When I went to fire up my Westinghouse WBRU80 for the season I got an ERR029, which indicates an issue with the APS. APS replaced and still the same issue. Condensate line has no sign of blockage. I am going to remove the exhaust line to ensure there are no unexpected blockages. But an odd...

So I was all set to buy an indirect hot water tank to replace my electric that just went kaput, adding it into my primary loop as a priority third zone in my two-zone boiler set up that heats my home. So any of the three indirects I have narrowed my search down to will cost ~$1000-$1200 (plus...

Installed a WBRNG080W with 2 zones 2 years ago and I couldn't be happier. My electric 70 gal hot water heater has been slowly leaking for the past year and has just packed it in. So it's a no-brainer to add a third zone DHW to my primary loop. I have all but settled on the Tri-Tube SMART but...

I guess claiming to DIY is death to the thread. Sad.

I am planning to perform as much of the equipment install as I feel appropriate. I will buy the boiler, manifolds, air separator, expansion tank, backflow preventor, circulators, hose bib/boiler drains and install them adjacent to the wall on which my NGas manifold is mounted. I will buy the PEX...

Now that we are just about ready to purchase a boiler and heat emitters, I am starting to consider the nuts and bolts of how it will go together. I imagine at this point that the boiler out and return will feed into hot and cold manifolds supplying the 2 or 3 zones, each with its own pump. I am...

Ok, so we are just about there (I hope). Our house has a main and lower level that requires heating. I was originally and I am still planning to treat both spaces as separate zones. I am thinking at this point to use (new) cast iron rads on the main floor, where 95% of our time is spent, both...

I am leaning toward going with new cast iron rads over newer flat panel style. I really dig the antique look of the cast iron, and although i have been googling high and lo, I can't much of a price difference. I am looking for used rads which would make cast iron all the more an attractive...

So it seems then that to try and "make" a combi work in a house with enough room to hook an indirect water heater would be foolhearty? The combi is best used, it seems where space is tight, likely the case in many European homes, where the combi is quite common. Would it be fair then, to think...

You are correct. The house is a bit of a hodge-podge, having gone gone through what appears to me like at least 3 major renovations-additions since it was first built in 1952. Original sections of the house have brown buffalo board still in pkace over 2x4 framing, while newer sections have...

I have been searching for info on combi boiler operation during warmer months without much luck. During colder, winter months, when the boiler will ideally be operating more regularly for long enough durations to take advantage of its efficiency I can see how providing hot water in addition...

I am just trying to get my ducks in a row, planning to make the big switch from electrical baseboard to combi boiler flat panel heat for next winter. I have put in a good deal of time reading, and completed, what I feel is an honest and extensive heat analysis for my home. I published the...

I am getting close to the point when I want to purchase a Bosch 151 combi for our home and like many others find myself on a tight budget. So being as thrifty as I can I am trying to check as many avenues for savings possible before plunking down my cash. I wonder what others opinions might be...

I have been reading lots of similarly appropriate resources online, but I think it is now time to start posting questions in a forum to find answers to questions still outstanding as well as confirm my intentions to install a HG combi boiler with flat panel hydronic radiators to replace my...