Mur-lok RO fittings are the only RO fittings that feature dual EPDM O-rings to ensure a straight leak free fit. We believe GA Murdock Mur-lok fittings to be the best so strongly that we use them virtually exclusively on each of our BRS reverse osmosis systems and BRS media reactors. These high quality American made fittings are constructed with FDA approved materials.
- Polypropylene construction
- NSF Standard 58 Certified
Sizes Available:
- 90° Elbow 1/4" Male NPT x 1/4" Push Connect
- 90° Elbow 1/8" Male NPT x 1/4" Push Connect
- 90° Elbow 3/8" Male NPT x 1/4" Push Connect
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Product Questions
I need three elbow's for the installation of my new RO membrane housing: one for the inline tube (red) the waste tube (black) and the product water (blue). For the product water I need to use an elbow with a check valve for the auto shut off valve to work correctly. My question is, do I also need to use an elbow with a check valve for the red and the black tubes, or can I use these regular Mur-Lok RO elbow's? Thank you
Question by: Niels on May 4, 2019, 4:12 PM
Hello Niels, you will need a check valve on the red product line as well. I have attached a link to the valve as well as a video showing the installation.
https://www.bulkreefsupply.com/1-4-auto-shut-off-valve.html
https://www.youtube.com/watch?v=ssa6njb5nV4
Please let us know if you have any further questions.
https://www.bulkreefsupply.com/1-4-auto-shut-off-valve.html
https://www.youtube.com/watch?v=ssa6njb5nV4
Please let us know if you have any further questions.
Answer by: Matt on May 6, 2019, 1:50 PM
I bought the 4 stage ro value and broke a elbow and was wondering which one i need to replace it. I broke the elbow that the blue clean water drain line connects to the filter.Its the last elbow water goes through.
Question by: Chelsea on Nov 20, 2013, 4:42 AM
Hi Chelsea,
If its the elbow that comes out of the membrane housing as on the 4 stage RO (NOT the 4 stage RO/DI) then it would be a 1/8" NPT x 1/4" Push connect check elbow.
If its a 4 stage value RO/DI system (not RO only) then it would be the elbow coming out of the DI and it would be a 1/4" NPT x 1/4" push connect elbow.
Feel free to send over a picture of the unit and where it broke and we can tell you for sure :-)
If its the elbow that comes out of the membrane housing as on the 4 stage RO (NOT the 4 stage RO/DI) then it would be a 1/8" NPT x 1/4" Push connect check elbow.
If its a 4 stage value RO/DI system (not RO only) then it would be the elbow coming out of the DI and it would be a 1/4" NPT x 1/4" push connect elbow.
Feel free to send over a picture of the unit and where it broke and we can tell you for sure :-)
Answer by: Bulk Reef Supply on Nov 20, 2013, 4:42 AM
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