Re: [RE-wrenches] Pt valves as overheat control

2008-11-11 Thread jay peltz
Hi Drake, I don't know if you ever watch Myth Busters, but google them and check out the water tank they exploded. Short version is they took a standard 40 gallon electric tank, put into a small building, no PT valve, heated it until it exploded. It flew something like 200' into the air, ju

Re: [RE-wrenches] Discussion on Focus

2008-11-11 Thread Michael Welch
Yes, you will find folks on that list that are not on the Wrench list that may be very well versed in this topic. If you are not on that list, you automatically qualify if you are on this one. To subscribe to that list, sign up here: http://lists.re-wrenches.org/listinfo.cgi/re-markets-re-wren

Re: [RE-wrenches] Need help to get power torque wrench

2008-11-11 Thread Sky Sims
I would typically just use a cordless gun followed up by 2 guys with torque wrenches and cheater bars. Sky Sims Ecological Systems http://www.ecologicalsystems.biz 220 County Road 522 Manalapan, NJ 07726 732-462-3858 toll free)866-759-7652 fax)732-462-3962 -Original Message- From: [EMAI

[RE-wrenches] Discussion on Focus

2008-11-11 Thread Dana
Hey all Michael has suggested that this theme be move to the RE-Markets list. I will have to get it over there with it but it may take a day or two. Thanks - Dana Orzel Great Solar Works, Inc www.solarwork.com E - [EMAIL PROTECTED] V - 970.626.5253 F - 970.626.4140 C - 970.209.4076 -Origin

Re: [RE-wrenches] Discussion on Focus

2008-11-11 Thread Joel Davidson
CALSEIA has a strong solar thermal focus because (1) Les Nelson, CALSEIA's former executive director, was a solar thermal guy, (2) solar California thermal companies are active CALSEIA members that pay dues and pay into the Political Action Committee fund, (3) solar thermal has been a profitable

[RE-wrenches] Need help to get power torque wrench

2008-11-11 Thread Darryl Thayer
Hi all, I need advice I am soon starting a 1000 module system, uning top down mounts, What power tools will tighten to torque specification? I will want to tighten each SS 1/4" nut on bolt to proper specs. This is about 2000 bolts, so i want a power tool, either air or battery electric, or ele

Re: [RE-wrenches] Pt valves as overheat control

2008-11-11 Thread Jeff Clearwater, Village Power Design
Hey Folks, When I installed SS heat exchangers in wood stoves a while back, I always made sure to have 2 PT valves in the system for redundancy in case one stuck or underperformed. Steam explosions are simply no fun. We'd locate one right on the woodstove outlet and another at the first ben

Re: [RE-wrenches] SMA Sunny Beam

2008-11-11 Thread Randy
HI Marco, SMA told me next year in the spring. Randy Sadewic Positive Energy -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Marco Sent: Tuesday, November 11, 2008 11:42 AM To: re-wrenches@lists.re-wrenches.org Subject: [RE-wrenches] SMA Sunny Beam Any ne

Re: [RE-wrenches] Skystream wireless monitoring

2008-11-11 Thread Tump
My customer just had the roving SWWP techs replace various parts in his SKYS. The "replacement" monitoring is now done via a computer. You use a USB flash drive to receive the data & it is displayed on your computer. My customer was NOT to impressed. I didn't do the install but interfaced it into a

[RE-wrenches] Discussion on Focus

2008-11-11 Thread Dana
I am quite glad that the current administration has re-upped and improved the tax rebates for the next 8 years. I am amazed that the thermal credit did not receive the same attention that the PV draws and this is my point that I would like to bring to discussion. The gas and oil industry has their

Re: [RE-wrenches] Pt valves as overheat control

2008-11-11 Thread Drake Chamberlin
At 09:15 AM 11/11/2008, you wrote: My questionis there a more robust version of that P/T valve that I should be using? Something that you would use in a boiler perhaps? I'm not really a hot water guy either, but I'm scheming on putting in solar hot water with a wood stove backup loop. I

[RE-wrenches] Skystream wireless monitoring

2008-11-11 Thread Phil Schneider
Speaking of wireless monitoring boxes, anybody know the status of the new Skystream monitoring box? Any experience? P. Phil Schneider, system engineer Creative Energies From: Jason Lombard <[EMAIL PROTECTED]> Reply-To: RE-wrenches Date: Tue, 11 Nov 2008 14:42:32 -0700 To: RE-wrenches Subject

Re: [RE-wrenches] SMA Sunny Beam

2008-11-11 Thread Jason Lombard
SMA says it will be next year before they are available but that is all they know at the moment. Germany is dragging their feet and haven't even implemented the new string sizing tool either with the fancy new website. On Tue, Nov 11, 2008 at 11:41 AM, Marco <[EMAIL PROTECTED]> wrote: > Any new n

Re: [RE-wrenches] Pt valves as overheat control

2008-11-11 Thread Matt Tritt
My pleasure - but I also wondered if you might not have a thermal expansion tank in your system? Perhaps you could also try one of the Watts Valve commercial valves like the LL40XL. As I recall, these valves have another type of seat that isn't as prone to gumming up like the regular residentia

[RE-wrenches] Hard water

2008-11-11 Thread Dana
I have conquered hard water with a Scale ban. It used about $ 0.01of electricity per day. This unit turns calcite into aragonite [ please excuse the spelling] which pulls existing calcium from the walls of the pipes and tanks and coils and valves and faucets, and your hair. I have used this uni

[RE-wrenches] Heat diversion - Hydro coils- Solar

2008-11-11 Thread Dana
My .02. The hydro coils I have installed I have treated like I treat solar hot water installations. It will need a diversion to eliminate the human factor. I installed a heat dump, baseboard or a set of coils underground to divert to. I have used a variety of diversion options some battery direct

Re: [RE-wrenches] Pt valves as overheat control

2008-11-11 Thread Roy Butler
Title: Todd Cory Matt, Good suggestion.real hard water here. My water coil needs cleaning twice each heating seasona royal PITA. In addition to the weeping, the P/T valves also start leaking around the valve post too, so I figure I'm better off replacing it anyway. Thanks! Roy Butle

Re: [RE-wrenches] Pt valves as overheat control

2008-11-11 Thread Matt Tritt
Hey Roy, T&P valves leak after X amount of time in direct proportion to the mineral content of your water supply. Minerals are deposited on the seat surfaces and prevent complete closure. My hunch is that installations in areas with very low mineral saturation of the water source will have mu

[RE-wrenches] SMA Sunny Beam

2008-11-11 Thread Marco
Any new news on the availability of the new Bluetooth-based Sunny Beam wireless monitor? Thanks, marco Marco Mangelsdorf, Ph.D., President Electrical Contractor License C-26351 69 Railroad Avenue, Suite A-7 Hilo, Hawaii 96720 USA (808) 969-3281, fax 934-7462 __

Re: [RE-wrenches] Pt valves as overheat control

2008-11-11 Thread Karl Schwingel
I've seen Tarm Boilers set up to thermosyphon to 30-40 feet of fin tube in the event of a power outage. there's a normally open zone valve (caleffi makes a wide variety of actuators for their zone valves, including 3 way zone valves, but no DC actuators) that will allow thermosyphoning when the pow

Re: [RE-wrenches] Pt valves as overheat control

2008-11-11 Thread Roy Butler
Title: Todd Cory Hi guys, I have been using the SS water loop in my Amish wood cookstove for my domestic hot water for 9 years now. My tank is a 40 gallon electric water heater (space saver unit) and is configured for thermo siphon operation. The P/T valve is all I have for protection and I

Re: [RE-wrenches] Pt valves as overheat control

2008-11-11 Thread Todd Cory
Title: Todd Cory Sure, but the discussion was about preventing hot water storage tanks from exploding. Putting BTUs into a tank, whether that  be from a wood stove loop or 5 kW electric heating element is not the issue. Relying on a P/T valve to regulate overheating is of course not a good idea

Re: [RE-wrenches] hydro coils

2008-11-11 Thread Drake Chamberlin
At 02:12 PM 11/10/2008, you wrote: It also helps to run the water coming from the bottom of the tank (to your coil) through some baseboard so once the tank is heated to the bottom it starts dumping heat as more is gathered. That sounds like an excellent idea. An aquastat controlled valve or p