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Category Archives: Condensing Modulating Gas Boiler
Tweaking the Pump Wiring Again
As part of the pump install I changed the wiring again. In the past I had trouble with the primary and secondary pumps working independently. I thought that was one of the things that wore out the Taco 011 pump … Continue reading
Posted in Condensing Modulating Gas Boiler, Maintenance and Repair, Radiant Heat
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Heat is Back On
I left the heat off until the days stopped being sunny. During that time the house temperature didn’t go below 64 degrees. Even when it got down to 20 degrees outside at night. We woke up to a steady 64 … Continue reading
Posted in Condensing Modulating Gas Boiler, Maintenance and Repair, Radiant Heat
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Ach Phooey! Taco Pump Siezed
Since we returned from a trip to see our newest grandson about a week ago, I’d been noticing that the floor was not warm but the radiators in the back were. I thought since I had turned the heat down … Continue reading
Posted in Condensing Modulating Gas Boiler, Maintenance and Repair, Radiant Heat
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Cleaning the Challenger’s Heat Exchanger
When I was wiring the boiler, I checked the condensate overflow system on the boiler and noticed the plastic drain was full of black gunk. I cleaned it out and about a week later checked it again and it was … Continue reading
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Boiler Wiring Fix
This summer I re-built the zone valves for the boiler. And I planned new logic for the wiring so that I could include the fireplace boiler and hopefully a chiller. I had the new single pump relay using the output … Continue reading
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Current Wiring for the Boiler
Way back last spring when I was finishing up the boiler wiring, I had problems with the secondary pump such that I replaced the used pump I bought on ebay with a brand new Taco 011. That was expensive but … Continue reading
Posted in Condensing Modulating Gas Boiler, Electrical, House Systems, Radiant Heat
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Pump Problems
Taco seems to be a well-respected name in water pumps. The 00 series is especially popular. These range from an 003 to an 013. Triangle Tube instructions recommend both the Grundfos and the Taco pumps. For a system the size … Continue reading
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Chronicle of Errors
I mentioned there were several things wrong with the first installation of boiler piping. When tested, water was not getting through the system and I believed the pump was just not strong enough to circulate through all the radiant loops. … Continue reading
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Primary/Secondary Piping Complexities
This is the new primary/secondary piping. It follows several boiler piping rules of thumb, although the 009 pump is now a bit over-sized for the primary loop. There is a secondary 011 pump that also is capable of pumping at … Continue reading
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From Simple to Complex
The original boiler piping design was going to be a single loop system. Return water would be pumped through the system to the boiler and hot would flow out to replace it. One Taco 009 pump was chosen for the … Continue reading
Posted in Condensing Modulating Gas Boiler, Energy Efficiency, House Systems, Radiant Heat
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Double Double Toil and Trouble
This old brown pump came with the house (also an 006) but did not pump. I replaced this one with a different Taco 006 that includes a temperature sensor. The new pump worked, however, it broke the flow control switch … Continue reading
Posted in Condensing Modulating Gas Boiler, Energy Efficiency, House Systems, Maintenance and Repair, Radiant Heat
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Hot Water at Last!
YES! Endless hot water @ 2.4 gallons per minute. That was enough for a nice long shower, first one in the house in about a year. So nice to finally have the water system connected and hot water running again. … Continue reading
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More Boiler Business
Even though I thought I did all the research necessary to make a good decision, I have spent time doubting the choice I made for the boiler. The radiant system was sized using the Manual J calculations for the existing … Continue reading
Posted in Condensing Modulating Gas Boiler, House Systems, Radiant Heat
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Boiler Struggles
Planning for the boiler install has taken quite a bit of study. Similar to installing the radiant system itself that required learning about pex, radiant pipe layouts, Manual J, heat loss calculations, flow rates, btu’s per square foot, etc. etc. … Continue reading
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Boiler Flue
The boiler flue and air supply need only plastic pipe to connect to the outside. Most new furnaces use PVC now instead of metal flue. I didn’t want to put another hole in the roof so I ordered a concentric … Continue reading
Posted in Condensing Modulating Gas Boiler, Construction, House Systems, Radiant Heat
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Triangle Tube Boiler
We first heard of small, highly efficient, condensing boilers from Melissa when she did our Energy Audit. After some research, I found many recommendations for the Triangle Tube boilers. They have stainless steel heat exchangers, and copper piping. They are … Continue reading
Posted in Condensing Modulating Gas Boiler, Energy Efficiency, House Systems, LEED Project, Radiant Heat
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Rebate!
We received our $180 rebate from Xcel Energy for our $300 Energy Audit. Now we are qualified to apply for other Xcel Energy rebates for insulation and a new energy efficient boiler which this house really needs. Here is what … Continue reading
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