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Posted

I am seeking to replace a deep bore submersible pump.

I have been told Franklin Schaefer is a good brand.

Also any where in Chiang Mai to purchase if possible

 

Posted

Franklin (USA) makes excellent pumps, I have used them both in the USA and Thailand.

 

They should be available in CM, with the Thai distributor being Krieng Thai Watana Group in BKK. Maybe they can recommend a local installer.

 

https://www.ktw.co.th/แฟรงคลิน

 

1. When replacing the pump, I would recommend new PVC Piping if it is more than a few years old as the Thai method of installation does not include a  torque arrestor.

2. New synthetic pull rope.

3. New properly sized electrical cable.  The last pump I had installed here was fitted with cheap 1.5mm2 VCT cable which was under spec for an 87m well with 1kw motor. ( see the attached manual for cable sizing).

It was replaced with 2.5mm2 Bangkok Cable Company cable at my expense. Though I kept the original wire for a new extension cord.

 

3. It is a good idea to mount a waterproof electrical box about 3m from the well head and install a service disconnect switch.

 

The Franklin manual will give you lots of good info for a solid installation.

Cheers

 

 

 

50_HZ_AIM.pdf

  • Like 1
Posted
6 hours ago, SimpleMan555 said:

Franklin (USA) makes excellent pumps, I have used them both in the USA and Thailand.

 

They should be available in CM, with the Thai distributor being Krieng Thai Watana Group in BKK. Maybe they can recommend a local installer.

 

https://www.ktw.co.th/แฟรงคลิน

 

1. When replacing the pump, I would recommend new PVC Piping if it is more than a few years old as the Thai method of installation does not include a  torque arrestor.

2. New synthetic pull rope.

3. New properly sized electrical cable.  The last pump I had installed here was fitted with cheap 1.5mm2 VCT cable which was under spec for an 87m well with 1kw motor. ( see the attached manual for cable sizing).

It was replaced with 2.5mm2 Bangkok Cable Company cable at my expense. Though I kept the original wire for a new extension cord.

 

3. It is a good idea to mount a waterproof electrical box about 3m from the well head and install a service disconnect switch.

 

The Franklin manual will give you lots of good info for a solid installation.

Cheers

 

 

 

50_HZ_AIM.pdf 1.01 MB · 0 downloads

Thanks for the advice most of what you suggest already in place

  • Like 1
  • 2 weeks later...
Posted
On 12/21/2021 at 1:23 PM, StevieAus said:

Also any where in Chiang Mai to purchase if possible

There is a good large pump shop - from Airport intersection up in direction to Hang Dong - after LPG pump.

Posted
On 1/4/2022 at 11:39 AM, Saanim said:

There is a good large pump shop - from Airport intersection up in direction to Hang Dong - after LPG pump.

Thanks we found a place in the city recommended by local installer.

Had everything we needed.p

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