Illegal if i remember correctly.

Usually on the roof, water have to tap from water tank. Can't pull from direct. Is illegal.

Don't go against gravity.got to pay more for that. Pump need to work hated.

The mixer can adjust the water pressure la.

Got model and picture? I use so many shower mixer in many hotel, cheap, average, and expensive all can adjust. You can try pull the level to 50% up

Sound like buying a fast car and put a speed controller because throttle cannot be control.

You need to have same pressure if not you have problem adjusting the mixing. What happen if in a cold day, your mixing maybe is 6:4, and you limit the water pressure to only 5, you will only get 5:5 and maybe is not hot enough? I know we seldom use until 50% mixing of hot water in our weather, but is just a scenario. Assume if really cold morning after a long rain (day and night).

Just need to change the habit. Is not easy to find that type of mixer, I know what you referring, this type of mixer have a fail safe switch to prevent you to turn max to hot water. You need to press the small button to move max. But I find it useless. My 4 years old daughter already know how to adjust the water temperature she need. I think we adult can do better.

This post has been edited by weikee: Sep 28 2012, 11:24 PM

You can check with the seller few standard type good for terrace house. And some come with pressured air reservoir and need recharged.

Go Hardware Builder or JF Home to check the price. If you stay near PJ, Subang or Kelana JF-Home is easier and open on Sunday. Kepong area H/W Builder will be your best location.

Sometime CT-Hardware also have good promotion price for Grundfos, check it out.

Cannot put pump after the meter, what i know this is illegal, need to be after a storage tank.

Pump with compressed air is good for users that switch on 24x7.

I have a habit of switching off the Pump power before leaving the house for long hours (e.g. work, holiday or shopping) and open the tap for few second to release the pressure of the water. This method allow me to have a more reliable flexi hose (e.g.) at bidet and behind the WC connector.

Before this, I left the pump on 24x7, and every year one or two flexi hose will leak due to the pressure. Now that I practice this habit, never have any issue on the flexi hose.

Therefore having a pump with compress air storage will not suite the pattern I practice.

Can follow this thread. Grundfos is good, make sure you get full metal version. You will have to relood into the water piping because your old pipe may leak if water pressure are too high.

https://forum.lowyat.net/topic/1825817/+1180

hp won't tell much, you need to read the flow rate and PSI of the pump in the spec.

Old house have the risk of piping unable support the high pressure due to pump.