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Uni R

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Uni R
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  • hahaha As someone who grew up in London (Ontario, Canada) I got used to that confusion. By "over there", do you mean England?
  • Let me get this straight... The customer decides to hire a contractor that has no familiarity whatsoever with the desired product. The contractor then uses a distributor that doesn't seem to handle much of the product. Therefore, the contractor som…
  • Mixing is built in... Essentially it is like the Revolution and has built in mixing to handle the lower return temps.
  • Flush Could you run it nearly flush with the drywall/plaster< against the studs< along the bottom of the wall and then use a moulding to hide it?
  • What a splendid looking home! Garry, you should try and shrink the size of the image that gets displayed. I'm surprised to see a conventional expansion tank, brand new even, installed with a Vito. I'm also surprised to see the indirect piped to the…
  • My bad... I was looking quickly at the pix and seeing 4 copper pipes going down to them. What size is the Vito?
  • List it for free... Put it on Craig's List and if you want, you can ask people why they want it.
  • Mrs Sweeney Matt, Sorry for your loss - cherish the memories.
  • Glen's such a class act I am amazed at just how classy our Glen is; although he is equally on top of his job at Burnham and also off the charts in the helpful department (regardless of brand) and he communicates so well he makes it look easy. I can…
  • Actually... There are a few varieties of Sprinters in Europe with "motors" and one of them can do a fairly extensive urban stint on battery juice alone. It's too bad this is the last year that they will look good. The redesigned Sprinter looks bad.
  • Nice work That's a nice little project you have there. Careful though, they leak and are quite noisy for the first year. After that their maintenance requirements get even worse and they are almost impossible to troubleshoot but they truly are a jo…
  • Electric Boilers One thing that will help electricity be a bit more reasonable for heating costs will be smart metering. The 3am spot price for electricity when it is totally off-peak is far cheaper than during peak hours. Smart metering is suppose…
  • Don't do it! The spacings on the diverter tees were engineered for the width of the radiators which give off far more heat per foot than the fin tubes will. If you increase the width of the baseboard the water isn't going to want to divert into the…
  • Sort of... You could put a valve in between A and B and then use it to adjust to the point where you have sufficent water diverted, or you could put diverter tees in at both A and B, or you could just do something crazy and make the water go an ext…
  • Depends... Mike, where's the house? We shouldn't automatically assume that it is a "northern" house. If they A/C more than heat then the vapour barrier should be on the outside.
  • First things first... You need to establish that she doesn't have any savings on the actual quantities of gas purchased. Therms used and degree days averaged over three years before and after. You show her the savings are there and then hopoefully …
  • Screen Dumps I've always found the Gadwin tool to be perfect for this. Press the hotkey and the file is saved in the format you want (GIF, JPG, BMP) at the level you want (fullscreen, application window, form window, etc.) It's priced right too (f…
  • heat up time? I'm more curious as to what type of winter vegetables they can plant and harvest all the way around the building?
  • How is it piped? Is your system piped primary-secondary with the 0011 doing the boiler loop or is it all piped as one loop?
  • What are your electric rates like? If my heat loss was that low, I personally would just get an electric boiler (and WH) and simplify my life. No flue, no burner, no additional gas or oil bills, no cleaning, no explosion risk, no oil tank leak risk…
  • H-O-O Home-owners opinion... If it is just that last bedroom that is cold, I would first try a different circulator. That Armstrong can't handle much head and have good flow and those ZVs aren't helping. Monoflos need good flow. I'd also look at i…
  • Find a Professional - Yeah right! I'm having a hard time finding a professional in the Toronto area to install ModCond boiler - prefence being an Ultra 80. Background: The house was built in 1975 with electric baseboards. Within a few years an old…
  • Mr Ebel's question... You still haven't answered Mr Ebel's question. Was the circulator supplying the monoflo changed? If you don't have enough flow through a monoflo system, that diverter may not be able to do its job and this would explain the la…
  • Just one... The diverter tee should be on the return. Don't space them too close or it will make some noise and not have much flow through the new branch.
  • Bad spin The sales rep shouldn't say that you are over-sizing them as that indicates waste and inefficiency. What the rep is really suggesting is sizing them for a lower water temperature, which will help efficiency.
  • Monoflo fittings Your original system predates Monoflo fittings (and unfortunately in this day and age it is very difficult to get ones that aren't copper). The spacing of the Monoflos will be a critical factor for how much heat goes through the ra…
    in Mono-flo Tee Comment by Uni R March 2006
  • Manifold - home run If I were starting from scratch I would use a home run layout. Have a manifold in the boiler room and run small diameter PEX from there directly to each radiator. I would put TRVs on each baseboard and set it up so that you can …
  • his heat and soul? Was that an intentional pun? ;-)
  • Expansion Noises Yet another reason for outdoor reset...
  • in 98% boiler Comment by Uni R January 2006
  • ModCon/BB I wonder if everyone here realizes that modcon takes on a very strange context outside of the HVAC world... anyhooooo. I have fintube baseboard and an old cast iron oil-fired boiler and it will definitely be a modulating condensing boil…
  • kickspace > Your problem is the exact reason that you want to > avoid removing an iron radiator and replacing it > with a fan-assisted kickspace heater, fin > baseboard or any other emitter that > requires high temperature! …
  • Maybe... This may be a case where you just need to let the circulating water cool down enough that there isn't a big difference in bouyancy between it and the cooler water in the basement branch. Then once the water starts flowing through heat ever…
  • Removing fins If best means most spectular then my vote would be to use the Sawzall on them fins. :-) Actually to add one thing to what Brad said, you can and may already have thought of it - look at changing the direction of the loop if that migh…
  • Unfortunately... Tony, the objections you make just simply aren't factors for large windmills. I frequently visit a park in Toronto that has a large wind turbine. There is a quiet whirring sound when you stand directly underneath. My yound children…
  • Monitor Maggie, what about the Monitor MZ wall hung boilers? According to the Energy Star site they are rated at 95% AFUE.
    in 98% boiler Comment by Uni R January 2006
  • I will early next week... On the initial run the tank was set at 152° and the boiler was using about a cubic meter of gas per day (40,000 BTUs) to cover the standby losses. The boiler, a Prestige 110 was running for about 6 to 7 minutes every 6 to …
  • Expansion Tank Did you ensure that the expansion tank was pre-charged to the proper system pressure? It would be nice to know what temperature the boiler is running when the PRV trips. What's the pressure when it is cold and when it is 180* or ma…
  • Ultra Piping I believe that it is because they want good pressure for the pressure sensing switch and for the HX. The boiler should be on a secondary circuit with the air elimination and expansion tank on the primary circuit piped so that it is pum…
  • P-S Has anyone ever just piped one primary-secondary with a circulator for the boiler loop but leaving the heating loop as strictly gravity fed?
  • 15psi? That's part of your problem right there. It should be pre-charged to 18 psi. As soon as the system gets filled at 18psi you have lost volume for expansion in the diaphram.
  • Winston Firedragon, no wondering required. There is a town in Northern Ontario (still) called Swastika. You wouldn't believe how close it came to being renamed Winston (after Churchill) during WWII.
  • Henry... Was your tank a stainless steel tank? Everyone's assuming it was but you never did say.
  • Yes The low pressure is a very likely cause for the banging. Water boils at a higher temperature under pressure. Under low pressure it can flash to steam. Also, the heating circulators work better with a proper level of pressure.
  • Balance Lou, sorry if I didn't write that very well. What I was trying to say was this. It would be nice to know whether or not the house had balanced heat when it was first installed in the mid-50s. By well-balanced, I mean, that there are no hot …
  • Home run... Why not put a manifold near your boiler and use PEX or P-A-P to pipe to all of your rads? Excuse the crudeness of the drawing. Small diameters of PEX are very inexpensive per foot.
  • Domestic Water - Boiler Water The domestic water is only connected to do the initial system fill. It usually comes into the boiler system from a pressure reducing valve that only lets water through if the pressure in the boiler system is less than …
  • Autovents - It does allow air out of the tank... Water and air are in the expansion tank. Some of that air goes into suspension and gets carried out with the water. The air when circulating escapes through the autovent and then there is less air in…
  • Taco Soup Weil-Mclain is pretty emphatic, that for the space heating circuit, the circulator should be installed on the return side of an Ultra gas-fired boiler.
  • I looked... I looked and I couldn't tell either, but I'm not a pro. I am always in awe as to how much more some of the people on the Wall can see when looking at a picture of a system. I swear sometimes they must have 3D monitors and be getting pic…
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