Category Archives: Condensing Modulating Gas Boiler

Triangle Tube C105 Install

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

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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

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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

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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

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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

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