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mike richardson

  • Posts: 259
fitting a 3kw immersion any suggestions
« on: December 23, 2010, 09:52:44 am »
iam gona fit a 3kw immersion heater to my van in the xmas hols.
any tips about fitting 1 to a 1000 IBC tank??
iam gona use a 27'' element.

Re: fitting a 3kw immersion any suggestions
« Reply #1 on: December 23, 2010, 09:58:29 am »
same as tank,   just drill hole and put in,  dead easy i did one the other day  just testing it now,  but its that cold here  cant stand to be out side for long,

mike richardson

  • Posts: 259
Re: fitting a 3kw immersion any suggestions
« Reply #2 on: December 23, 2010, 10:03:40 am »
did it work lol
how hot does it get?
and did u need a lg nut for the inside of the tank?

Re: fitting a 3kw immersion any suggestions
« Reply #3 on: December 26, 2010, 12:48:39 pm »
i never used a jug nut,  i just filled and pushed in,   seems to be working fine  have had it heated to 70ish  to test and had no leaks,  went and done 3 houses and  water was coldish had brush  but the hoses where very flexible

Poles R Us

Re: fitting a 3kw immersion any suggestions
« Reply #4 on: December 26, 2010, 12:55:38 pm »
mine is the same cold at the brush ???

Re: fitting a 3kw immersion any suggestions
« Reply #5 on: December 26, 2010, 12:58:03 pm »
its just losing all the heat whislt it travels along,  plus the hottest water is at the top of the tank,   the only thing you can do is heat the water up to about 70  and insualte the tank really well, 

mike richardson

  • Posts: 259
Re: fitting a 3kw immersion any suggestions
« Reply #6 on: December 29, 2010, 09:22:10 pm »
if its cold at the brush i presume it would freeze would it??

Re: fitting a 3kw immersion any suggestions
« Reply #7 on: December 29, 2010, 09:24:25 pm »
 as long as it wasnt 0 or below (the water temp) then it wont freeze  and if it is that cold that it is going from 50+ to freezing by the time it gets to the brush head, go home it is too cold

♠Winp®oClean♠

  • Posts: 4085
Re: fitting a 3kw immersion any suggestions
« Reply #8 on: December 29, 2010, 10:08:08 pm »
The idea for me is not to clean with hot water but to be able to start work at 9am in lower temperatures as I won't have to thaw my pipes etc out in the morning. My reel sits on top of the tank & my pump box is next to it so a nice warm tank at 8.30am should help me no end. ;)

I intend to have it on a timer 6am till 8.30am. I get half price electric between 12 midnight & 08.30. ;)

Poles R Us

Re: fitting a 3kw immersion any suggestions
« Reply #9 on: December 29, 2010, 10:20:56 pm »
The idea for me is not to clean with hot water but to be able to start work at 9am in lower temperatures as I won't have to thaw my pipes etc out in the morning. My reel sits on top of the tank & my pump box is next to it so a nice warm tank at 8.30am should help me no end. ;)

I intend to have it on a timer 6am till 8.30am. I get half price electric between 12 midnight & 08.30. ;)

thats not long enough , you need at least 4 hours

Nameless Drudge

  • Posts: 997
Re: fitting a 3kw immersion any suggestions
« Reply #10 on: December 29, 2010, 10:22:50 pm »
I`ve fitted one and was surprised at how easy and how well it went,used a 2 1/4 mechanical flange and then the element screwed into this. 64mm hole saw,this meant the male part of the flange which goes from inside to out actually screwed through the hole (very tight fit) seemingly cutting its own thread as it went and then the female bit tightened up rock solid with a spanner without turning the female inner as well,used no gaskets and no sealant,just ptfe tape on the threads and same when screwing the element into the flange. Got everything as tight as possible by hand first and watch out my thumb turning on the thread split the skin nicely,tea break to stop the bleeding. No leaks,heated to 50 C in just over a couple of hours(only 250litre),got my element about 8-9 inches from the bottom(11 inch element),below it,it is still well cold so as my water pick up is from the bottom of the tank and the water input at the top i just looped the reel back to tank,put on the pump for 20 mins with the element still on and then hosereel,tank all seemed a fairly even temp after this time at about 47C and at this temp its uncomfortable to keep your hand submerged. Finished messing at 8.30 pm last night(element switched off) and the water was still warm at 41C going to bed gone midnight,it hadn`t cooled fully at 9am (it was inside but not in a heated room). When i say hadn`t cooled fully i mean it wasn`t very warm but neither was it cold.

Just thought i probably got a false reading at 41C at gone midnight as i took the reading from the top,average temp if i had mixed the water would have been less i guess.

♠Winp®oClean♠

  • Posts: 4085
Re: fitting a 3kw immersion any suggestions
« Reply #11 on: December 29, 2010, 10:23:12 pm »
The idea for me is not to clean with hot water but to be able to start work at 9am in lower temperatures as I won't have to thaw my pipes etc out in the morning. My reel sits on top of the tank & my pump box is next to it so a nice warm tank at 8.30am should help me no end. ;)

I intend to have it on a timer 6am till 8.30am. I get half price electric between 12 midnight & 08.30. ;)

thats not long enough , you need at least 4 hours

4 hours it is then ;) makes no odds if it has the desired effect. ;)

♠Winp®oClean♠

  • Posts: 4085
Re: fitting a 3kw immersion any suggestions
« Reply #12 on: December 29, 2010, 10:28:17 pm »
I`ve fitted one and was surprised at how easy and how well it went,used a 2 1/4 mechanical flange and then the element screwed into this. 64mm hole saw,this meant the male part of the flange which goes from inside to out actually screwed through the hole (very tight fit) seemingly cutting its own thread as it went and then the female bit tightened up rock solid with a spanner without turning the female inner as well,used no gaskets and no sealant,just ptfe tape on the threads and same when screwing the element into the flange. Got everything as tight as possible by hand first and watch out my thumb turning on the thread split the skin nicely,tea break to stop the bleeding. No leaks,heated to 50 C in just over a couple of hours(only 250litre),got my element about 8-9 inches from the bottom(11 inch element),below it,it is still well cold so as my water pick up is from the bottom of the tank and the water input at the top i just looped the reel back to tank,put on the pump for 20 mins with the element still on and then hosereel,tank all seemed a fairly even temp after this time at about 47C and at this temp its uncomfortable to keep your hand submerged. Finished messing at 8.30 pm last night and the water was still warm at 41C going to bed gone midnight,it hadn`t cooled fully at 9am (it was inside but not in a heated room). When i say hadn`t cooled fully i mean it wasn`t very warm but neither was it cold.

Just thought i probably got a false reading at 41C at gone midnight as i took the reading from the top,average temp if i had mixed the water would have been less i guess.

That's good to know Sean, I have the mechanical flange & was hoping not to use sealant. I notice the part of the flange which fits inside the tank has like little gripper points on it which will sink into the plastic as you tighten it up? This should require no spanner then on the inside, is that what you are saying? ;)

Is your's a IBC or standard Wydale tank?

Nameless Drudge

  • Posts: 997
Re: fitting a 3kw immersion any suggestions
« Reply #13 on: December 29, 2010, 10:47:53 pm »
Ita a red Brodex 250, i`ll guess the thickness at ?(i`ll have a look for the bit i cut out and measure it). Didnt use gaskets,sealer etc(even though i bought it) as the hole was a perfect size for the male flange part to only pass through as it cut into it whilst turning and the screwing up of the female part with ptfe tape double seals the point where water may pass. I have a wydale 500 litre upright and think the brodex might be slightly heavier duty(thicker). No probs at all with the amount of thread protruding and it would have taken the gasket if needed.

Got the inner bit really tight by hand as i could get to both sides,thats where i split my thumb. The spanner i got for the element is too big for the flange outer so i used my oil filter chain wrench.

Nameless Drudge

  • Posts: 997
Re: fitting a 3kw immersion any suggestions
« Reply #14 on: December 29, 2010, 10:57:05 pm »
Cut the hole in the middle of the side 7 1/2 inches from the bottom of the tank to bottom of the hole,tank is exactly 1/4 inch thick at this point. Even though its only an 11 inch element the heat seemed to spread evenly along the top,i was hoping due to there being a baffle void in the middle the heated water might form a circuit around this as it heats and cools.

Nameless Drudge

  • Posts: 997
Re: fitting a 3kw immersion any suggestions
« Reply #15 on: December 29, 2010, 11:15:12 pm »
The little gripper points i think are for when these flanges are fitted to metal and i think they hold the flange away from the surface to allow solder to pass into the gap,i would have been tempted to burr them off if the flange hadn`t  literally screwed itself into the hole. So the inner flange doesn`t sit 100% fully flush because of these though tightening the outer does compress them into the plastic and of course theres a gap for sealant if you need it

♠Winp®oClean♠

  • Posts: 4085
Re: fitting a 3kw immersion any suggestions
« Reply #16 on: December 30, 2010, 12:05:04 am »
Thanks for all that Sean, really appreciate that info. ;)

I guess you're right about those nipples being to allow solder in. I guess they kind of sink into the plastic & help it not to spin as you tighten the outer nut.

On the inner (male) part, I'm going to have the two flat spots at the sides, leaving the flared parts top & bottom. I reckon this will give more support to the unit?

I've got a 64mm core drill too. :D

Poles R Us

Re: fitting a 3kw immersion any suggestions
« Reply #17 on: December 30, 2010, 07:16:31 am »
the lower you get the immersion the better, heat rises .
try and lagg the base of the tank too

mike richardson

  • Posts: 259
Re: fitting a 3kw immersion any suggestions
« Reply #18 on: December 30, 2010, 04:25:03 pm »
Sean would it be ok to ring you and have a chat about fitting thge immersion heater to a tank,
becouse my mate whos a plumber said he would source the parts for me and fit them if i could get the info on how to do it, cheers mike

Daniel12

Re: fitting a 3kw immersion any suggestions
« Reply #19 on: December 30, 2010, 05:02:01 pm »
is it ok to put hot water through the shurflo pumps