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Joined on August 11, 2008

Last Post on September 2, 2014

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Big Savings?

@ December 24, 2011 7:00 PM in circulating pump runs 24/7 sometimes

I'm not sold on it........Running at max., it's slightly over 60 watts (1/12th HP). One claim I read was that it was estimated that half of the electrical use of some homes in Europe was attributed to the circulator.....imagine that. Honestly, I think the Taco Delta-T, designed to optimize efficiency of the system as a whole is much better as an upgrade to a system. Just my thoughts.......MERRY CHRISTMAS!


@ December 23, 2011 10:53 PM in circulating pump runs 24/7 sometimes

From what I read, the alpha does not have a zero output in its functional parameters. Which means it would still have to be controlled by the boiler controls.Am I reading it wrong?

Cast Iron?

@ December 21, 2011 9:42 PM in Boiler bypass???

I'd do some research on mod/con boilers for your next boiler. For comfort and efficiency you won't find a better solution.

cold start

@ December 21, 2011 9:02 PM in aquastat control

Let's see.........We know that cold start boilers will fail faster than warm start boilers. I'd be pushing that set-up,if I was a boiler manufacturer.


@ December 21, 2011 3:31 PM in aquastat control

Without knowing the specifics of HIS system, I wouldn't advise him to set the low limit that low.The OLD gravity systems you are refering to had boilers that were not built by todays standards. I'm sure you've removed a few, and know that the castings were 3 times the thickness.And I believe the manufacturers saw premature failures of their boilers, and chose to have the aquastat control the circulator on a call for heat,to reduce the time the boiler spent condensing.


@ December 20, 2011 9:32 PM in aquastat control got your post in before I got mine in. I was refering to the 180 high, 120 low, with a 20 degree differential as bad. It will start circulating at 130 and stop at 110.


@ December 20, 2011 9:06 PM in oil burner stops and starts midcycle

That is probably the burner relay.It is caused by rapid opening and closing of the contacts.Check all wire connections associated with TT in the aquastat.Check available volts at TT.


@ December 18, 2011 10:56 PM in My Hydronic Setup - Happy but not happy

I urge you to seek qualified help.There are too many things wrong with that installation and it reflects a lack of skills.It all needs to be redone,probably including the gas supplying it.

Zone Valve Control

@ December 18, 2011 9:03 PM in Issues with relay..

This would make it as simple as possible.


@ December 18, 2011 10:37 AM in Issues with relay..

Search Honeywell and the specific control you have, and they will show you how to zone the system properly.


@ December 17, 2011 10:19 PM in aquastat control

That combination of low limit and differential is the worst possible. It will circulate water at 130 degrees,the condensing point.


@ December 17, 2011 6:13 PM in return drip

Pex is not rated for the possible temperatures of the condensate.


@ December 17, 2011 3:31 PM in more boiler help

Follow Taco's instructions to calculate the minimum pressure needed to keep the system full to the highest point of radiation.Twenty psi is way too high cold, and you're killing the expansion capabilities of the expansion tank.As stated, the tank must be removed from the system,and set to the same pressure as the auto-fill.Be careful, that little tank is surprisingly heavy. I don't believe your problem ,based on what you have said, involves a leaky tankless coil.You're basically doing what the clown that came out should have done.


@ December 16, 2011 10:54 PM in Mixing valve


@ December 16, 2011 10:32 PM in New Taco 00R. Which speed to run, and where to put it?

It was just a thought. To keep it in perspective......after the write-off, and over the lifespan of the circulator,you are probably talking $1.50 a month in rent money.


@ December 15, 2011 11:16 PM in New Taco 00R. Which speed to run, and where to put it?

Why not a 008 Delta-T variable speed circulator and let it do all the work?

triple aquastat

@ December 13, 2011 10:44 PM in Honeywell Controls

The differential only applies to the low limit. The hi-limit comes into play on a call for heat and should shut the burner down at the setting, then reset after a 10 degree drop in temperature,that is built in, and has nothing to do with the differential. You either have a bad gauge( first choice), bad aquastat, or as stated, poor contact of the capillary tube.


@ December 12, 2011 10:24 PM in Wireless T-stat

I need to move the thermostat. Its current position is not good. I figured wireless would save me the trouble of fishing wires,and allow me to experiment with different locations. I could power it with another transformer,but then how would I switch the relay in the aquastat.

Wireless T-stat

@ December 12, 2011 9:42 AM in Wireless T-stat

I would like to add a wireless thermostat in  the house, but can't find 24v common on the Honeywell L8124 A/C aquastat.I need the 24v to power the module.Thanks for any help you can provide.
By the way, Honeywell bailed on this question, when asked about their wireless thermostat connected to their aquastat. I was told to seek professional help, because aquastats were designed to be installed by professionals.Even though the question was regarding installing a thermostat(their thermostat).


@ August 14, 2008 2:07 PM in Making France eat their words

Pepe.........But let another country try to invade this one, and see how quick that homeless veteran, draft dodger and scum bag take up arms and fight to the death to defend our shores. And, God forbid a segment of uor population sides with the enemy, when all is said and done they won't be breathing the same air in the U.S. God Bless America!


@ August 13, 2008 3:03 PM in Making France eat their words

Doug.....What event are you talking about?Please elaborate?


@ August 12, 2008 11:20 AM in Making France eat their words

Let's see.......Now they try and join the American swim team? LOL
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