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Is this an indirect water tank? If so the temperature of the boiler is not as important as the set temperature of the aquastat. The HWH should be set at ~140 degrees F.

Is your HWH set as a...

Keep the autofill closed and the bleeder valves open.

I'd also like to point out that it was a cut-n-paste too.

http://en.wikipedia.org/wiki/Radiant_floor

I read this recommendation and went and did some research. I installed a TACO ZVC404 just a few months ago and now I'm kicking myself for not getting the ZVC404-EXP. Adding the outdoor temp re-set...

A general rule of thumb is 35 BTU's per square foot; 80,500 for your home. However, since you have uninsulated walls I feel that this ROT is useless for you.

Your boiler is designed to work with an indirect water tank. That might be the most cost effective solution. The WM Gold40 runs about $1,100. I use the Gold40 in my 4 bath house and have never run...

Turn off the autofill for a week and see if the pressure stabilizes. If it does, you've found the problem.

A relay is not a fuse. Usually the relays are located in the engine compartment in a self-contained compartment with a plastic housing. You'll find fuses in there as well. If you look at the inside...

Usually, each light is protected by its own fuse. It would be unusual for both lights or both fuses to fail simultaneously. However, both lights are controlled by a single relay. I would put my money...

PEX or copper, copper or PEX...

Both have their place in a home, so know both. The truth is, in order to use PEX, you HAVE to know how to sweet pipes. In fact you need to be good at it because the...

I use both as well as a spin-cycle. The keys to keeping knee pain to a minimum are:

1. Cross-train, change-up your exercises. If you use the treadmill one day, then use the elliptical trainer the...

Open the valves, open the autofill (so it is unregulated) and bleed the air out of the zone. Once the air is purged you can put the autofill in its operational position and start the boiler.

How can you loose weight with so much spam :)

Your tank sounds normal. I just went down and checked my tank (which is only two months old)...

Top 1/3 I get a dead "clank"
Bottom 1/3 I get a ring
Bottom of tank near the air valve I get less...

The banging and noise you notice could be a result of the boiler making steam. As mentioned above, lower the temperature to 180.

Another check of the expansion tank is to tap the top of the tank...

The brass fitting is 3/4 one one side that gets soldiered to the copper; on the other side is a PEX barb fitting that you crimp the PEX to.

No need for an o-ring.

More then likely, the Sharkbite fitting will be fine. I prefer to use a sweated brass PEX fitting to the copper, but there are times when a Sharkbite is the right answer to the problem (I've used...

The Toto Drake can be had for about $200.

You might want to provide us with some helpful information such as the type of boiler, type of zone valves and the controller.

Pressing the reset button can't hurt anything but if Zone 2 is...

Not only would I not apply that much heat to PEX, I wouldn't sweat a PEX to copper joint with the PEX attached. If you compromise the PEX it will fail. The problem is it may fail long after you've...

A zone controller with a DHW Priority would help greatly. Check out Taco's ZVC series.

As mentioned above, increase the water temperature. You want 130 at the tap, which will require 140-160 in...

Sometimes it sucks to live in Canada...
...

Isn't that the truth. You get one usable length for every 10 you touch. When I look for wood at Home Depot the pile on the floor is much larger then the selection on my cart.

I like the idea of...

http://www.taco-hvac.com/uploads/FileLibrary/102-092.pdf

This is a low current system, nothing painful to worry about. Moreover, make sure the breaker (or the boiler switch) is off while you are...

The Taco ZVC406 is very (and I mean VERY) easy to hook-up. I installed one just a few weeks ago. There are several wiring diagrams available on Taco's website, depending on the type of zone valve in...