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 Water heater + rainshower, Bathroom setup question

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weikee
post Nov 17 2014, 05:22 PM

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If incoming water are low pressure, even putting instant water heater with pump you won't get much improvement, I would say minor improvement. Unless the supply pump are powerful which I doubt. And another problem come with water flow too fast you won't get hot water, even warm water is hard when rainy day.

When you have a rain shower, the shower heard install above the pump, that making the instant water heater pump work harder and reduce the pressure.

This post has been edited by weikee: Nov 17 2014, 05:24 PM
weikee
post Nov 18 2014, 08:42 AM

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If the incoming (source) water is low pressure, need a external pump, minimal 1/2hp pump. The build in pump is good for the instant water heater use, putting a rain shower is like putting a Kancil engine in a sedan can, it just not enough pressure to push the water out.

weikee
post Nov 28 2014, 03:42 PM

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QUOTE(kimsim @ Nov 28 2014, 03:23 PM)
He he just found my neighbor sg he also used it S/S look more nicer.

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I find it messy.
weikee
post Nov 28 2014, 04:57 PM

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QUOTE(ozak @ Nov 28 2014, 01:48 PM)
Connect the wire to the connector. Makesure the wire secure tight with the screw connector. Cost this heater run at high watt when max. Otherwise the connector will heat up and kaboom.
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I put an additional silicon to seal the wire intake hole. Cause the heater from the shower head is a bit near. This is to prevent the water from sipping in and kaboom the heater.
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Done for the wiring. Now the plumbing side. I have place the elbow to the inlet heater valve. So I can measure the vertical pipe lenght that need to be cut.
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Use sand paper to clean every fitting and pipe that need to be glue. This will clean up the oil and dirt. So the glue can melt the pvc pipe securely. Wipe with clean cloth.
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Tape the screw fitting with white seal tape.
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The vertical pipe is temporary insert in. Now use the elbow to mark the lenght of the pipe to be cut. Glue all together. In this step, you need to act fast. The glue will cure fast. Plan which fitting to go in first and how to fit in together. Than apply the glue.
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The plumbing done. Wait for 1/2hr or longer for the glue to harden. It actually need 24hr to be harden. But since the water pressure not that high, 1/2hr should be alright.
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Open back the stop cock. Check for any water leakage. Than turn the heater valve to open. Let the water flow out from the shower head. Check any leakage in the heater side joint. This is important to makesure no water leak out internal. Any water leak, disamssembly it and take the heater to claim. Close the valve and put back the heater cover.
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Switch ON the heater switch. Than reset the RCD. If the RCD trip, switch OFF and check the wiring.If everything OK, the heater light will ON.
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Continue........
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This is acrylic sealer right? If before dry can wash away with water is acrylic. Silicon can't wash away with water.
weikee
post Nov 28 2014, 07:27 PM

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QUOTE(kimsim @ Nov 28 2014, 05:03 PM)
Got acrylic sealer?

So far I found was silicon only
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Got acrylic caulk. Ask hardware store.
weikee
post Nov 28 2014, 09:48 PM

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QUOTE(kimsim @ Nov 28 2014, 09:42 PM)
JB don't have AEC hardware... Maybe I looking in s'pore
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Hardware shop got sell la. Just get the chalk type and get the chalk gun.
weikee
post Nov 29 2014, 11:08 AM

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QUOTE(aztechx @ Nov 29 2014, 11:02 AM)
Wow u got it cheap!!where did u buy it from?i have yet to find a decent shop to regularly get my stuffs from.

By the way, i noticed that even at the highest setting the water is not even close to scalding hot, i mean i dont intend to scald myself, but it is only warm at most even at the highest setting, even worse when using the rain shower mode. Is it considered normal? Or is my water pressure too strong?
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Don't expect hot with instant water heater when is rainy and water flow are good. Only if you have >4kwatt instant heater only can feel hot.

Off the pump or reduce the water flow you will feel hot.

 

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