GMCforum
For enthusiast of the Classic GMC Motorhome built from 1973 to 1978. A web-based mirror of the GMCnet mailing list.

Home » Public Forums » GMCnet » [GMCnet] tankless water heater
[GMCnet] tankless water heater [message #338606] Sat, 10 November 2018 10:23 Go to next message
william weyrowski is currently offline  william weyrowski   United States
Messages: 8
Registered: October 2018
Karma: 0
Junior Member
Just thinking ahead as this is probably a next year item on my list, but
has anyone installed a tankless water heater? Was thinking about cutting
out an exterior access door where the current tank is and installing from
the outside.

--
William D. Weyrowski
Midland, MI and Surfside, FL
73 - 26' Sequoia
So far: Sully bags and KYB Shocks, Ion Wheels / Cooper tires, Pertronix
Ignitor and Coil
In process: fuel line overhaul, electric pump, fuel selector switch,
control arm bushings, sway bar links.
Future: whatever the wife wants...I want it to run, she wants it pretty!
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

Re: [GMCnet] tankless water heater [message #338608 is a reply to message #338606] Sat, 10 November 2018 12:12 Go to previous messageGo to next message
lqqkatjon is currently offline  lqqkatjon   United States
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
Senior Member
Many have installed tankless. Including myself.

There are a few ways and different models. Most, like me, installed behind the fridge.

I am not super happy with it. I want to install a tank back. I will keep the instant, but i think it uses a little more water because if the flow it requires to heat. I may try a smaller one. I always liked my tank one until it leaked. I have a 75 that had the square one. I want to find or will build one up like the 76-78 gmc upfit models have.


Jon Roche 75 palm beach EBL EFI, manny headers, Micro Level, rebuilt most of coach now. St. Cloud, MN http://lqqkatjon.blogspot.com/
Re: [GMCnet] tankless water heater [message #338611 is a reply to message #338608] Sat, 10 November 2018 15:37 Go to previous messageGo to next message
Frances McMillan is currently offline  Frances McMillan   United States
Messages: 23
Registered: October 2018
Location: Southwest of Tuscaloosa, ...
Karma: 0
Junior Member
What brand do you have? We have an Atwood. We just bought our GMC, but it broke down on the way home and is in the shop, so I don't know anything about its performance.

Pickens County, Alabama 1977 Royale, 455, 67,000 original miles
Re: [GMCnet] tankless water heater [message #338614 is a reply to message #338606] Sat, 10 November 2018 18:12 Go to previous messageGo to next message
Scott Nutter is currently offline  Scott Nutter   United States
Messages: 782
Registered: January 2015
Location: Houston/San Diego
Karma: 4
Senior Member
I have a Girard tankless water heater and absolutely love it. One of the best investments I've made to the interior.
I have a Royale, so it came with cutouts in the fuselage for a water heater. And I think it is smart for you to make a cutout for it. I have heard of all different methods to incorporate a tankless with out cutouts and none sound good. Only get a tankless designed for a RV.
Scott.


Scott Nutter 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI Houston, Texas
Re: [GMCnet] tankless water heater [message #338617 is a reply to message #338614] Sat, 10 November 2018 18:23 Go to previous messageGo to next message
jimk is currently offline  jimk   United States
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
Senior Member
Scott,
Your unit is made for RV so your covered.
I had couple insurance adjusters tell me they refused to pay for fire
damage from home units in any RV.
The RV units cost more as they go through acceptance test.""

On Sat, Nov 10, 2018 at 4:13 PM Scott Nutter wrote:

> I have a Girard tankless water heater and absolutely love it. One of the
> best investments I've made to the interior.
> I have a Royale, so it came with cutouts in the fuselage for a water
> heater. And I think it is smart for you to make a cutout for it. I have
> heard of
> all different methods to incorporate a tankless with out cutouts and none
> sound good. Only get a tankless designed for a RV.
> Scott.
> --
> Scott Nutter
> 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final
> drive, Quad bags, tankless water heater, everything Lenzi. Alex Ferrera
> installed MSD Atomic EFI
> Houston, Texas
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org



Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
Re: [GMCnet] tankless water heater [message #338619 is a reply to message #338617] Sat, 10 November 2018 18:34 Go to previous messageGo to next message
Mike Kelley is currently offline  Mike Kelley   United States
Messages: 467
Registered: February 2017
Karma: -2
Senior Member
Good Info Jim K.:
Thanks for putting it out there for all of us to digest - I am smarter now - on this subject!
Mike/The Corvair a holic

Sent from my iPhone

> On Nov 10, 2018, at 6:23 PM, Jim Kanomata wrote:
>
> Scott,
> Your unit is made for RV so your covered.
> I had couple insurance adjusters tell me they refused to pay for fire
> damage from home units in any RV.
> The RV units cost more as they go through acceptance test.""
>
>> On Sat, Nov 10, 2018 at 4:13 PM Scott Nutter wrote:
>>
>> I have a Girard tankless water heater and absolutely love it. One of the
>> best investments I've made to the interior.
>> I have a Royale, so it came with cutouts in the fuselage for a water
>> heater. And I think it is smart for you to make a cutout for it. I have
>> heard of
>> all different methods to incorporate a tankless with out cutouts and none
>> sound good. Only get a tankless designed for a RV.
>> Scott.
>> --
>> Scott Nutter
>> 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final
>> drive, Quad bags, tankless water heater, everything Lenzi. Alex Ferrera
>> installed MSD Atomic EFI
>> Houston, Texas
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> --
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

Re: [GMCnet] tankless water heater [message #338628 is a reply to message #338614] Sat, 10 November 2018 20:18 Go to previous messageGo to next message
Frances McMillan is currently offline  Frances McMillan   United States
Messages: 23
Registered: October 2018
Location: Southwest of Tuscaloosa, ...
Karma: 0
Junior Member
Thanks. I have no idea where it is in the coach -- hope it's installed as you describe.

Pickens County, Alabama 1977 Royale, 455, 67,000 original miles
Re: [GMCnet] tankless water heater [message #338634 is a reply to message #338617] Sun, 11 November 2018 09:22 Go to previous messageGo to next message
rjw   United States
Messages: 697
Registered: September 2005
Karma: 4
Senior Member
jimk wrote on Sat, 10 November 2018 19:23
Scott,
Your unit is made for RV so your covered.
I had couple insurance adjusters tell me they refused to pay for fire
damage from home units in any RV.
The RV units cost more as they go through acceptance test.""

Jim Kanomata
Jim,
You are saying that you know of more than one fire in a GMC that was caused by a home unit tankless water heater? Of course I am concerned because I have one in my GMC.

In looking at the Girard On-Demand Tankless Water Heater I see that it is a pretty big box at 15.5 x 22.5 x 12.5 inches. There is no place in my Palm Beach that would accommodate that size.


Richard
76 Palm Beach
SE Michigan
www.PalmBeachGMC.com

Roller Cam 455, TBI+EBL, 3.42 FD, 4 Bag, Macerator, Lenzi (brakes, vacuum system, front end stuff), Manny Tranny, vacuum step, Tankless + OEM water heaters.
Re: [GMCnet] tankless water heater [message #338637 is a reply to message #338606] Sun, 11 November 2018 09:34 Go to previous messageGo to next message
Scott Nutter is currently offline  Scott Nutter   United States
Messages: 782
Registered: January 2015
Location: Houston/San Diego
Karma: 4
Senior Member
I should also mention that I got my Girard through Jim at Applied about 3 years ago. Mine is the 2nd generation, since then Girard has improved them even more. The latest version is the way to go. Digital controls more accurate temperature controll. I'm still very happy with my Gen 2 version, I just have to manually tune my temperature control knob.
I have also heard of multiple RV's burning up because of tankless water heaters made for residential homes being installed in RV's. But they were other brands of RV's. One was even a high dollar Provost.. sad,,million dollar motorhome destroyed by a $50 water heater....
Scott.


Scott Nutter 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI Houston, Texas

[Updated on: Sun, 11 November 2018 09:40]

Report message to a moderator

Re: [GMCnet] tankless water heater [message #338654 is a reply to message #338637] Sun, 11 November 2018 16:23 Go to previous message
jimk is currently offline  jimk   United States
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
Senior Member
Scott,
Has it been that long?
I thought we discussed the RV on demand last year.

On Sun, Nov 11, 2018 at 7:35 AM Scott Nutter wrote:

> I should also mention that I got my Girard through Jim at Applied about 3
> years ago. Mine is the 2nd generation, since then Girard has improved them
> even more. The latest version is the way to go. Digital controls more
> accurate temperature controll. I'm still very happy with my Gen 2 version, I
> just have to manually tune my temperature control knob.
> Scott.
> --
> Scott Nutter
> 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final
> drive, Quad bags, tankless water heater, everything Lenzi. Alex Ferrera
> installed MSD Atomic EFI
> Houston, Texas
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org



Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
Previous Topic: [GMCnet] We lost our first GMC to fire. I can't imagine your HOME.
Next Topic: Warming up engine
Goto Forum:
  


Current Time: Tue Nov 19 09:35:10 CST 2024

Total time taken to generate the page: 0.01036 seconds