Viessmann cast iron boiler replacement.
Here's an interesting one…
My client is absolutely in love with this Viessmann Atol boiler but now that it's 32 years old, it's showing its age, and not quite as reliable as it once was.
It's been working all it's life on ODR, no thermostats, and a three way mixing valve for boiler protection.
We're both sorry to see it go, but it's time.
Consulting & Troubleshooting
Heating in NYC or NJ.
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Comments
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I'm not sure yet but I'm probably going with a Weil-McLain CGa with pri-sec piping and a simple Taco PC700 boiler control.
Contact John "JohnNY" Cataneo, NYC Master Plumber, Lic 1784
Consulting & Troubleshooting
Heating in NYC or NJ.
Classes1 -
What's the matching tank next to it? Buffer?
Trying to squeeze the best out of a Weil-McLain JB-5 running a 1912 1 pipe system.0 -
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atmospheric with all the paint and such
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Some of the Crown boilers had those wet based sections, made by Viessmann in them. A rock solid boiler.
The smaller residential models Atolas had a 3rd aquastat that provided boiler protection by shutting off the circulator. All the aquastat sensors cap. tubes went into a triple well.
Interesting steel parts on the work bench?
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0 -
Now that you have me looking, what is with the lower ledge on the bench?
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Looks like a Hot Surface Igniter.
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Yes, it is atmospheric and I hadn't seen it either until now. It was a big deal in its day
Contact John "JohnNY" Cataneo, NYC Master Plumber, Lic 1784
Consulting & Troubleshooting
Heating in NYC or NJ.
Classes1 -
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So glad you noticed, Scott. :)
Thanks!
There’s a little vignetting here as well
Contact John "JohnNY" Cataneo, NYC Master Plumber, Lic 1784
Consulting & Troubleshooting
Heating in NYC or NJ.
Classes1 -
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I'm tempted to install a Weil-McLain Ultra, or a Lochinvar Knight, or a Viessmann B2HE…
The customer just isn't going to spend the money on a repipe to an HE installation. We're also re-using the indirect water heater.Contact John "JohnNY" Cataneo, NYC Master Plumber, Lic 1784
Consulting & Troubleshooting
Heating in NYC or NJ.
Classes0 -
John the CU3a can be piped like any old school boiler, if leaving the piping as is keeps costs down. It’s hard to imagine the owner paid large dough 30 years ago, and now wants to go on the cheap- give him the best!
It’s like pulling a G115 or an EK and installing a Smith or a Utica😀
humbly, the European boiler proponent2 -
Unfortunately, very few people put a value on their heating system anywhere close to A new kitchen, bathroom, car, boat, et cetera. At best, it's a necessary evil and at the bottom of the Totem pole. Sad but true. Mad Dog
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I just wish they had put that new control on the CU3A
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