water filters

[benmo]

Have been advised to buy a Master M5 with auto backwash.Anyone any knowledge of this or indeed a good alternative. Thanks

[Super Joe]

Have been advised to buy a Master M5 with auto backwash.Anyone any knowledge of this or indeed a good alternative. Thanks

Hi, a group of about 6 residents at ours did a group purchase of the Master M7, I can ask them for their views on it's performance etc. Believe they got the system installed for around 20,000 Baht, here's some details on it which may help:

SJ

[benmo]

Thaks, user opinion would be very helpful

[icebear]

Benmo, I've sent you a pm on this subject.

[brianks]

We purchased only the M-3 long black filter portion (with charcoal filter inside) only of the Master unit and it solved our brown dirty water problem enough so wife felt comfortable washing and taking a shower in water. We were advised against the big unit because someone else in complex got one and the water pressure from the incoming line is so low it could not push through it and get to the storage tank. They had to take it out. Have to unscrew plastic housing and clean filter every month but that is easy. Replace filter every year for about 1,500 baht (not sure on that price as I can't remember now what they told me). Cost is considerably less at 6,000 baht for unit. Bought it at Home Pro and they had to order it special and took 2 weeks. Could also pick up at Pure Water across from Index as it is the same unit sold there. When we went to Pure they only wanted to sell us the big unit. Hope Pro salesman surprisingly recommended the filter unit at a much lesser price. If you get one be sure to get the stainless steel mounting bracket and filter removing tool. Both were missing when we got our filter but Home Pro made good on it and ordered and brought parts out as soon as they arrived. Surprisingly very pleased at service of Home Pro on this purchase.

If you want to see it in action, P.M. me and will be happy to show you.

[Super Joe]

Thaks, user opinion would be very helpful

Here it is benmo, bit of a mixed report, so not very conclusive either way. Cheers SJ.

My experience has been mixed. At times the system has made the tank water too salty, and also we have had to have a valve fixed on a couple of occassions. Also - the water coming out of the tap still leaves white 'tide marks' around the sink and on the bathroom tiles. Nevertheless - still think its better to have one than not.

[icebear]

S.J. May I ask you how much salt per month you're adding to the filter?

We have A7 system and due to very high usage of salt we run it like -no filter- system as long as the Co. doesn't rectify it (it's over a month that we bought it).

They promised to send somebody from BKK on 8/9th of this month. We'll info.

[poosmate]

I had a master filter with auto backwash ( 30k) fitted. I wanted it for softening only. I went to the Pure Water shop opposite Index. The staff had no knowledge of the principle of water softening.
I had the filter filled only with ion exchange resin ( the M5/7 mediums are a mix for filter and soften). Pure Water tested the water and returned with results and suggested the unit would need backwashing ( regeneration) every 2 days. The unit head has blocked - with calcium twice! and resulted in the backwash not working. I have tested the water myself and found that the result from Pure was incorrect. The unit now requires backwashing every two weeks. This is not possible as the machine maximum intervals is 7 days. The only problem this will cause is using extra salt and water.
I have since fitted several more filters. I have opted for a manual backwash system. I have fitted a water meter to the in line. Once the hardness of the water is known and the amount of resin in the filter the backwash can be calculated using flow.
The manual system has been in for several months and softness has been noticed by all along with no calcium residue.
The saltiness reported by another poster can only be attributed to the backwash rinse cycle not being efficient or too short.
There will be an increase in Sodium ( salt) in the softened water but this is not enough to taste usually.

[icebear]

The saltiness reported by another poster can only be attributed to the backwash rinse cycle not being efficient or too short.

Thank you poosmate>Yes, this is probably why we had salt in our water system.

In order to solve this mystery, they have to install an additional valve in order to get water into the filter system for the backwash cycle without us using water in the house at that time.

I hope I am correct.

[Johan]

I sell mine if you want, it's like new ! Contact me. It's the automatic model.

[Super Joe]

S.J. May I ask you how much salt per month you're adding to the filter?

I've never had a filter icebear, this is a friend's house. I'll ask though.

SJ

[icebear]

SJ> thanks and would appreciate your response.