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I’m planning a bathroom remodel. The bathroom will expand, taking over a closet in the hallway. Problem is, the main breaker box is located in the end wall of that closet. After the remodel, it will be inside the bathroom within a couple of feet of both the sink and toilet. Ive seen other...

Do these panel radiators work with low temps suitable for solar? I have some solar ambitions.

Hey Thanks Badger. I'll look into a smaller pump and check out those panel radiators. If I could come up with some of the old cast iron base boards I would use them, but I've never seen any up here. Shipping too high for that kind of weight probably.

Do you honestly think it's oversized? On what do you base that decision? With 43 minute avg burns and only "bumping off the bottom" with mild temps and a single zone open that seems pretty good to me. Am I to understand that a boiler properly sized for -6 deg design temp would never run at...

Well, I've found a way to measure delta t that's accurate enough. I have 2 of those digital thermometers that have a lead to place out through the window (for outside temp). By putting the lead under the pipe insulation in the area I want to measure, it's consistent enough. It's not a true...

Dana and this board saved me from a 110 to 150k boiler when that was what everyone recommended. I installed a Lochinvar Knight 85K and it's worked terrifically this winter, and I live in Anchorage AK! I'm just working on tweaking my delta t to get the return water as low as possible for max...

Thanks to this forum (mainly Dana's advice), the boiler is not over sized. Here's a link to the sizing thread: https://terrylove.com/forums/show...load-calc-help Everyone locally recommended 120 or 150k boilers, I went with 85k-despite dire predictions of freezing this winter which has not...

Yes I am totally aware of that. Absolutely no confusion there on my part. I'm calling the primary pump the one that came with the boiler that's in the primary loop. The secondary pump listed above (Grundfos UPS 15-42 F) is the one that's always been serving the baseboard loops, and if I SLOW...

It's still pretty frozen over. Just went through a 2 day blizzard last week. But since we've sprung forward it's not dark until 9PM! Maybe in this case it's not optimum to follow manufacturer's instructions and dealer's guidance regarding P/S-but that's all I had to go with. I'd sure like to...

OK Badger....evidently I'm not making myself clear enough. I'm not using any set back on the thermostat. My issue with the thermostat was that it was only calling for heat for a couple of minutes and then off. I found no way to adjust the hysteresis (even calling Honeywell tech), it must only...

Tweaking Delta T's OK, I’m back. Work has been crazy; I’ve been forced to be away from home literally since the end of December. The boiler has been working GREAT, the reset curve seems to be really close as it just barely keeps up-which is the goal I guess? The usage has continued to be...

I'm not sure what would have been designed? The house is 35 years old and all the radiation loops were already in place and it's not in the cards to change that now. I dream of warm board or something similar on the upper floor (1000 sq ft), but I think that stuff must be quite expensive, as...

Yeah, I've been trying to get some consistent readings, but they are all over the map. I tried on the copper piping near the boiler, and on the baseboard itself. I need to pick up some hockey tape, I guess. I'm not familiar with it, is a sporting goods store the place to find it (I'm assuming...

OH.....I've only been reading the temps on the boiler screen. Page 2 has input temp, output temp, and difference (which is the delta-T I have been reporting). I have not checked the loops at all. Wouldn't it be the boiler input temp that counts for efficiency? I will use my IR temp reader on...

Delta-T experimentation OK, I just did a quick experiment. It's 7* outside this morning. The boiler was at 63% fire, setpoint 148* and delta-T was running 16-17* with 4 zones open. I cut down each return ball valve a little over halfway. The delta-T started dropping! It went from 16-17* to...

Thanks Dana & Jadnashua, Let me clarify: I installed ball valves on each side of each loop (supply & return). The pump and zone valves are on the supply side. I'm thinking it would be best to close down the return side? Or does it matter? You are not suggesting restricting the primary...

Just a report. We've got into the cold season. The last several weeks have been highs in the teens and lows just below zero. I think I've got the outdoor reset curve down, system temp is at mid 150's at 0* outdoor temp. It just BARELY keeps up, once in a while loosing a degree below t-stat...

Thanks, Dana for your guidance. You have given me much to think about and figure up. That's just what I wanted, a way to set the curve up for my system. I can do the math as per your example, and like you said tweak it until I'm cold and then raise it just a bit to optimize it. I just wasn't...

No, you are right on the math, I guess I was being confused by the decimal. It is .2 (I saw .19 and thought 19) hours per burn. So 12 minutes is OK? I thought that would be way too much. If it's actually "GREAT!" then I guess I have nothing to worry about. The setpoint was running at...

I have recently finished installing a Lochinvar Night. Here's a link to the sizing thread: https://terrylove.com/forums/showthread.php?48047-Heat-load-calc-help I went with the 85000BTU size. It's cycling too much (according to the smart control 127 hours/640 cycles for space heating in...