I know they supply VW car parts.
Printable View
I know they supply VW car parts.
From what I read on their website (Rinnai) they do not make an electric version. I'm trying to get my house off the grid as much as possible and we don't have Nat Gas running to the house currently...so I'd like to keep it electric if possible. Plus I don't want to have to worry about venting the F'er since mine will be inside.
I had the larger Rinnai 98 model replace my electric water heater. We don't hve natural gas in my area, so we use propane to fire it up. Works great and we love it, because there is nothing like taking a really long hot shower and never running out of hot water. There is a little longer delay before getting hot water coming out of the tap, but once it comes out you are good to go. You should also have a dishwasher that preheats the water because of the longer delay before hot water gets to the dishwasher.:tdo13: One more thought - the colder the water coming into your house, the longer it takes to get the temp to where you want and the less flow you have so I went with the max-size. We love our Rinnai.....
i have a rinnai tankless in my garage and its bitchin'!
Mine is mounted on the exterior wall of my house - no carbon monoxide and venting issues this way.
Up-grade gas pressure?
Ha ha ha...this sounds like a plumber trying to sell you something you don't need. I would get a second opinion.
city gas pressure can run million BTU boilers in hotels without any problems, I think your house can run a water heater, stove, fire place and anything else no problem.
I am not sure how you would "up" the pressure of a gas line. Regulators step it down usually
Did you call your utility to ask if they have any detailed information on rebates, incentives, and tax credits? That might help you get more information than your contractors would know.
You need to not have the regulators choked down to 4 inches of water in the pressure gauge from 7... but I'm just parroting what our contractor friends tell me. The standard pressure in a house is not sufficient to run all gas appliances simultaneously if you have a tankless system, because those systems need a lot of available pressure to run efficiently.
Looks like I am going to enter the market for a new hot water tank...
I currently have a 40gal gas Rheem tank that is in need of replacement. Right now I have just lost hot water pressure. I have drained and filled hoping it was a sediment issue but it looks like the tank is just slowly dieing.
After reading the threads I was wondering if anyone has any other ideas floating around?
I'm looking into the on-demand systems, which I know is a more expensive option, and the tank option will be a self installed deal since all the piping and venting is in place.
There seem to be a lot of options cropping up brand wise and I'm wondering if there are some that are better than others.
Just looking for thoughts and opinions.
Lost hot water PRESSURE? My experience is that a failure of water heater almost always = hole rusted thru tank and water spewing out of bottom edge of it -OR- sometimes no hot water (from one cause or another)... Now I'm no plumber, and I've heard of sediment speeding up the rust thru of tank, but never heard of one failing with sediment impeding flow??? Just wondering...
Is it possible the restriction is from somewhere/something else? You have city water or well water? Need to use a water softener for hard water (for either city or well)? If on a well, do you have any rust/rust slime issues in your area? Have you tried opening the tap at bottom of heater to check if pressure there and/or lots of hot water (and drain some sediment)? Have you had only a slight drop in pressure, or a hudge one? Copper pipes or galvanized (especially the horizontals)?
This is a recent issue, 'bout two weeks, before that the cold water and hot water pressures were comparable. Now there is dramatically less hot water pressure than cold.
The good(ish) news would be that there is only about 2m of copper pipe between the tank and the first branch to a tap, so if the tank is fine and it is a restriction issue it will be in the closest section of piping to the tank.
As for sediment, I drained the tank and water flowed clear. It didn't flow when the cold inlet was shut until I opened some other taps so I was assuming that there is pressure - no leaks - in the system. After it was empty I gave it a couple blasts of water from the cold inlet to try and stir up any sediment and still nothing.
I was thinking it may be the pressure release valve? If it is fucked could it result in a loss of pressure? Since the tank isn't leaking I'm at a bit of a loss for a reason pressure would die.
PSI safety won't affect your pressure, it is just a safety device that opens up at a certain pressure. (keeps your WH from becoming a bomb)
Aerators could be checked, or some sediment got stirred up and is stuck somewhere reducing flow.
Check that the supply stop valve is open all the way (left/CCW) under the sink.
Double check your other valves you may have closed off while filling/draining the tank to make sure they are full on open.
You could havew some air in the line, bleed off water at the highest points in the house.
?
Good luck.
All the valves are good, the loss of pressure is in every hot tap in the house so I doubt the faucet aerators are an issue.
I might drain and fill again, sucks but doesn't suck as much as installing a new hot water device.
When I filled the tank last I left all the hot faucets open until they started to flow then closed them from the closest to farthest from the tank. I think if there was air in the pipes that would have taken care of it, or at least I hoped.
I lost the water pressure for hot water last summer and it ended up being the mixing valve had too much build up in it, had to replace it and afterward, everything worked fine.
What is this "mixing" valve?
Where can I find it?
I've got a well system that pumps water to the pressure tank, then splits to the taps for cold water and to my 'indirect' hot water tank. The hot water coming out of the tank is way too hot, so it is mixed with the cold water from the pressure tank to make the water more tolerable.
The mixing valve in my system is located on the output of the hot water to the tap, the pipe to the tank has a T in it, one goes to the tank and the other goes to the mixing valve. The mixing valve has a large handle to turn with numbers (as a reference for adjustments) on it to adjust the amount of cold water being mixed with hot water.
We unfortunately found out the valve was completely blocked by calcium buildup, so we had to have a plumber come in and cut out the valve and then install a new valve along w/ soddering in some replacement pipe.
hope that makes sense.
Don't install an electric tankless water heater. The gas option is the way to go, especially if you already have gas.
I like in the city and I am thinking about switching to a electric tankless water heater. Gas is not an option. Is this something I should even consider doing?
Well I did a bunch of looking around and it looks like one tank is essentially as good as the next (some are the same just with different branding). So it looks like around 750 for the tank and the install. Since the Gov is big into rebates I also checked out a new furnace. 2500 tax rebate on the high end Lennox G71MPP (basically half off) now I just need to wait until september to get them done.
Got the number from the retailer it is for the unit and install. As far as the rebate goes the deal seems to be you get a "energy efficiency" home inspection ($150) that makes you eligible for the rebates depending on the age of the current unit (the increase in efficiency) and is dependent on a subsequent assessment after the installation. The rebates are in the form of a tax credit so there may be a few hitches but it breaks down as $790 from the fed, $1130 from the province and between 540 and 680 in a renovation tax credit as well as a possible %10 home owners insurance break.
Oh, Canada... : slaps forehead :
That's a smokin' deal!
See Canada can do that cause they haven't screwed up their financial system like we have here.
See Canada can do that cause they haven't screwed up their financial system like we have here.
danno, try searching this, there is a shit load of info on here. I actually posted regarding it as well. I didn't read the 3 pages, so if someone has alluded to this already... I'll stfu.
I STILL don't think it's a "failed" water heater based on what you've written??? Or maybe they just don't "fail" this way around my area? Without rereading thread to refresh my memory on specifics, if current unit is 12 or 15 or more years old, replacing it might be part preventive maintenance I suppose. But if you aren't 100% sure what the specific problem is, be prepared for possibility you replace it and pressure is still low!!! But if HWH is under 10 years old, and especially if you don't want to spend money on a water heater now, I'd either call in a plumber or try something else to check it more yourself? Please make sure to report back and let us know what the issue ended up being... That's my favorite part of these threads, well, after the helping out Mags part anyway.
I just installed a propane Bosch tankless in place of a 40 gal. Love it. I did have to run a HUGE gas line, the one for your current gas tank water heater will not cut it (that's according to the manual...I didn't have an existing gas line, so I just used the size recommended in the manual). I used the corrugated stainless pipe, very easy for the average DIY as far as gas lines go. My electric bill dropped by 1/3. I had to use the blower-powered horizontal vent, which required some serious fabrication. For DIY, in place of an existing electric unit, my total for the install, including the heater came to about twice the cost of the heater or $1600. For me, this means the payback is 32 months; this includes the increased propane usage, but does not include the sweet rebate from the power co (no inspection required).
For those who are interested, I installed the 7.4GPM Paloma tankless unit on July 20th. My billing period ends on the 5th of the month, so half of the month was with the old tank and half was with the new unit FWIW.
MY PROPANE BILL WAS $12.76.
And that's only a half of a month. Granted it is the middle of summer, but in the five years I've been in my house, the next cheapest bill I've ever had was $38.00. I seriously can't believe it.
Nice BSS !!
So just how DIY is this little project ?? I've tackled a lot of shit in my day. Messin' with gas skeezes me out a little. We've got a 50 gal. gas fired tank in the laundry room now.
One other question, anyone use a recirculation pump in conjunction with these units ??
Just remember to turn the gas line off before you start and you'll be fine. :)
I'd say this is about a 6/10 on a scale of mechanical ability. 1 being hanging a picture frame and 10 = building a house. If you can freehand mount a set of ski bindings, you can install a tankless water heater. Plus the directions are very thorough. Run 3/4" id yellow flex gas pipe and Sharkbite water fittings/pipe from your existing metal hot & cold terminations and you'll be stylin in like 2-3 hours. I don't have a recirc pump, but then again I have a small house and it's just two of us so not really necessary. I'd say put in the heater then go from there. You can always add one later if you determine it's necessary.
Don't forget a sediment trap for the LP line
Use a new T&P relief valve on the HW out
ONLY use UL cat III stainless vent pipe
easy
That is awesome.
My gas bill last month was $19.26. I have a tank water heater, gas grill, and gas dryer and we grill 3 nights a week at least.
Even if the payoff might be forever for me, I'm still becoming sold. The tank in my basement takes up a tremendous amount of room in addition to being inefficient. Payoff, trade off. Looks good.