Pentek TLC-50 (GE TFM-50)
Reverse Osmosis (RO) Membrane
(Part #: Pentek 555583-43 / GE 1204694)
Pentek TLC-50 (50 GPD) RO Membrane (555583-43)
Our Price: US$51.00
You save: $31.00
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popular NSF-58 validated 50 GPD replacement RO membrane element for under sink RO systems including Pentek RO-2550
The TLC-50 is a very popular replacement RO membrane that fits in most 50 gallon per day (50 GPD) residential reverse osmosis systems. It is also marketed by GE under the model name TFM-50.
The TLC-50 is an NSF-58 validated replacement element for the Pentek RO-2550 which is validated for the reduction of barium, cadmium, chromium (hexavalent and trivalent), copper, cysts, fluoride, lead, radium 226/228, selenium, turbidity, and total disolved solids (TDS).
- brand-name membrane
- far high rejection rates, greater durability and life as compared to cellulose (CTA) membranes
- high pH range tolerance
- shipped dry for convenient handling and long shelf-life
- NSF/ANSI Standard 58 validated
TLC-50 residential RO membrane elements fit most standard nominal 2-inch I.D. pressure vessels. Accordingly, TLC-50 membranes will fit in most residential RO membrane housings, regardless of brand! Be sure to match capacities, not just physical size to ensure proper performance. Compare measurements below to confirm.
|GE TFM-50 RO Membrane Specifications|
|Model||Membrane Type||Dia x Length||Capacity (GPD)|
|1.8 x 12"||50*|
Approximate salt rejection is 98.0%.
Dimensions - Inches (mm)
|Recommended Operating Conditions:|
|Maximum Operating Temperature:||120F (49C)|
|Maximum Operating Pressure:||100 psi (6.9 bar)|
|pH Range, Continuous Operation:||4-11*|
|Maximum Recommended Feed Silt Density Index (SDI):||5|
|Maximum Recommended Free Chlorine:||< 0.1 ppm**|
*Maximum recommended temperature for continuous operation above pH 10 is 95F (35C).
**Under certain conditions, the presence of free chlorine and other oxidizing agents will cause premature membrane failure. Since oxidation damage is not covered under warranty, we recommend removing residual free chlorine by pretreatment prior to membrane exposure. Most RO systems have carbon pre-filters for this purpose.
Important note about selecting the correct membrane capacity: All RO systems use a drain line flow restrictor to create pressure against the RO membrane. This pressure is critical to the performance of the RO system. If the drain line flow restrictor is not correctly matched to the capacity rating of the membrane, problems such as slow or ceased water production or high water waste can result. Select a replacement membrane that matches the capacity rating of your existing membrane and system. If you want to upgrade to a higher capacity membrane to increase the rate and quantity of daily water production, it is critical that you upgrade both the membrane AND the drain line flow restictor. Contact us for assistance.
Notice: The use of this product in and of itself does not necessarily guarantee the removal of cysts and pathogens from water. Effective cyst and pathogen reduction is dependent on the complete system design and on the operation and maintenance of the system. GE Membrane elements are not certified to sanitize water, remove, cysts, bacteria, or viruses. Not to be used with microbiologically unsafe water supplies without adequate disinfection before or after the membrane.