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Search took 0.00 seconds. Search: Posts Made By: i3enhamin
Forum: Projects, Modifications and Known Issues 04-18-2018, 03:14 PM
Replies: 20
Views: 15,194
Posted By i3enhamin
People do it all the time, see: - Premade Espar...

People do it all the time, see:
- Premade Espar kit (https://www.heatso.com/espar-eberspacher-hydronic-d5s-camper-rv-kit-12v/)
- Premade Webasto kit...
Forum: Appliances and Interior 03-14-2018, 02:44 PM
Replies: 25
Views: 8,373
Posted By i3enhamin
I got a response from Duda... they say something...

I got a response from Duda... they say something like B3-12A 10 Plate Heat Exchanger with M5-.08 Mounting Studs [HX1210] | DudaDiesel Biodiesel Supplies...
Forum: Appliances and Interior 03-14-2018, 01:56 PM
Replies: 25
Views: 8,373
Posted By i3enhamin
If one assumes 100% efficiency between furnace...

If one assumes 100% efficiency between furnace and the tap... I get that one can have continuous showers if the domestic water tank was at least 68F. With the Rixen 1500w element running, that number...
Forum: Appliances and Interior 03-14-2018, 01:23 PM
Replies: 25
Views: 8,373
Posted By i3enhamin
And perhaps the propane heaters have much higher...

And perhaps the propane heaters have much higher ratings due to the decreased efficiency associated with gas -> water hexes as compared to water -> water hexes.
Forum: Appliances and Interior 03-14-2018, 12:31 PM
Replies: 25
Views: 8,373
Posted By i3enhamin
Yeah, I see that that is true... it just confuses...

Yeah, I see that that is true... it just confuses me.

I'm thinking that their coolant is cooling down, it's just that their 2-3 gallons of coolant in their expansion tank IS enough capacity to...
Forum: Appliances and Interior 03-14-2018, 12:23 PM
Replies: 25
Views: 8,373
Posted By i3enhamin
And almost all shower heaters are more like...

And almost all shower heaters are more like 35,000 - 40,000 btu / hr... this seems to support my skepticism as well.

Ecco-temp L5...
Forum: Appliances and Interior 03-14-2018, 12:20 PM
Replies: 25
Views: 8,373
Posted By i3enhamin
Fwiw... I'm a huge skeptic that a 17,000 btu / hr...

Fwiw... I'm a huge skeptic that a 17,000 btu / hr Espar D5 truly provides continuous on demand water.

Shower heat demand from the system:
1 gpm * 8.34 lbs / gallon * 50 deg F = 417 btu / min =...
Forum: Appliances and Interior 03-14-2018, 12:16 PM
Replies: 25
Views: 8,373
Posted By i3enhamin
Of course the expansion tank needs to be...

Of course the expansion tank needs to be installed higher than the buffer tank... and everything else for that matter.
Forum: Appliances and Interior 03-14-2018, 12:15 PM
Replies: 25
Views: 8,373
Posted By i3enhamin
I'm running coolant through the buffer tank. My...

I'm running coolant through the buffer tank. My expansion tank's 7-lb cap will appropriately make it act as the expansion tank. The 100-lb relief valve on the buffer tank should be moot given the...
Forum: Appliances and Interior 03-14-2018, 11:59 AM
Replies: 25
Views: 8,373
Posted By i3enhamin
I'm not certain yet that that "point of use"...

I'm not certain yet that that "point of use" water heater is totally legit for this application, but I don't see any reason why not yet. Seems the temperature and pressure relief are sufficiently...
Forum: Appliances and Interior 03-14-2018, 11:55 AM
Replies: 25
Views: 8,373
Posted By i3enhamin
My expansion tank will be under hood and I will...

My expansion tank will be under hood and I will have a 3-way summer valve, too.

I don't have the Rixen coolant tank... that functionality, for me, will be split across 2 components. I purchased...
Forum: Appliances and Interior 03-14-2018, 11:34 AM
Replies: 15
Views: 4,925
Posted By i3enhamin
I am trying to ascertain if this small 10-plate...

I am trying to ascertain if this small 10-plate heat exchanger can supply shower heat with the stock Espar D5 2 gpm pump or is this to be used w/ a larger, more capable pump?
Forum: Appliances and Interior 03-14-2018, 11:25 AM
Replies: 25
Views: 8,373
Posted By i3enhamin
One more instance...

One more instance (https://www.sportsmobileforum.com/forums/f34/new-to-me-gooseberry-water-heater-14486.html)...

This one you can clearly read is a 0.14m^2 Duda B3-14DW...
Forum: Appliances and Interior 03-14-2018, 11:15 AM
Replies: 25
Views: 8,373
Posted By i3enhamin
Side notes... I don't know why these guys...

Side notes...

I don't know why these guys are building giant aluminum radiators out of their water heaters. I WON'T be copying that for summer months.

I am pretty confident from other images...
Forum: Appliances and Interior 03-14-2018, 11:12 AM
Replies: 25
Views: 8,373
Posted By i3enhamin
And again... 10-plater...

And again... 10-plater (https://www.youtube.com/watch?v=0OiDufshu_Y)... see 5:56.
Forum: Appliances and Interior 03-14-2018, 11:08 AM
Replies: 25
Views: 8,373
Posted By i3enhamin
This fellow...

This fellow (https://www.youtube.com/watch?v=YnK_RZTSwL8) clearly has the little 10-plate one, too.

Starting at 0:53.
Forum: Appliances and Interior 03-14-2018, 10:28 AM
Replies: 25
Views: 8,373
Posted By i3enhamin
I'm personally still teetering between this one...

I'm personally still teetering between this one (https://www.dudadiesel.com/choose_item.php?id=HX1410DW) and this one (https://www.dudadiesel.com/choose_item.php?id=HX3220DW).

I would get that...
Forum: Appliances and Interior 03-13-2018, 04:26 PM
Replies: 25
Views: 8,373
Posted By i3enhamin
Hi Clark. It's a function of pump flow rate. This...

Hi Clark. It's a function of pump flow rate. This guy makes it look like he's using the https://www.dudadiesel.com/choose_item.php?id=HX1410DW with the stock Espar D5 circulating pump. Kind of...
Forum: Sportsmobile Builds and Factory Modifications 03-02-2018, 02:20 PM
Replies: 1
Views: 2,576
Posted By i3enhamin
To answer my own question... I think a "backflow...

To answer my own question... I think a "backflow prevention assembly" is the key to keeping glycol and domestic drinking water separate (if the water heat hex fails, that is). I think if you're going...
Forum: Sportsmobile Builds and Factory Modifications 02-28-2018, 05:37 PM
Replies: 1
Views: 2,576
Posted By i3enhamin
Coolant mixing with engine or drinking water

What coolant are people using in their hydronic systems? Ethylene glycol or propylene glycol? If it's ethylene glycol, how does one ensure this never gets in the freshwater system? If it's propylene...
Showing results 1 to 20 of 20

 
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