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640565 /CS-52 Bosch Comparable Refrigerator Water Filter Replacement By Tier1
SKU
TIER1-RWF1100
Price $33.99 List Price Price $48.99 Save 30%
Availability: In Stock
Fits Bosch refrigerators that use the Sanitary Quick Change system
Choose a quantity
1 filter $33.99 2 filters $32.97 each 3 filters $31.98 each 4 filters $31.52 each 6 filters $30.59 each
- Certified to standards NSF/ANSI 42 for Chlorine Reduction and NSF/ANSI 372 for Lead Free Compliance
- Reduces chlorine, sediment, dirt and more!
- Keeps your water tasting great for up to six months after easy installation!
- Provides great testing refreshing water in every glass
› See more product details
- Certified to standards NSF/ANSI 42 for Chlorine Reduction and NSF/ANSI 372 for Lead Free Compliance
- Reduces chlorine, sediment, dirt and more!
- Keeps your water tasting great for up to six months after easy installation!
- Provides great testing refreshing water in every glass
The Bosch 640565, Bosch CS-52 and the Whirlpool WHKF-IMPLUS are comparable to the Tier1 RWF1100 discount filter. For up to six months after installation, this filter will reduce chlorine, dirt, sediment and more before they start to cause quality issues. Better yet, this affordably priced replacement filter helps to ensure you never pay more for clean drinking water than you should! Order this comparable replacement for the 640565 and CS-52 Bosch refrigerator water filters, from Tier1, today.
Designed and Tested For Maximum Performance
WQA to NSF/ANSI 42 for NSF/ANSI 42 for Chlorine Reduction & NSF/ANSI 372 for Lead Free Compliance.NSF International against NSF/ANSI 42 for the reduction of Chlorine Taste and Odor.
IAPMO R&T to conform to NSF Standard 42-2016 for Structural Integrity, Materials Safety,
Chlorine Taste and Odor Reduction and System Performance, as substantiated by test data.

Coconut Carbon Media
Microporous coconut carbon is an excellent filtering media. This technology is responsible for the reduction of Chlorine Taste and Odor, Rust and Corrosion, Sand, Sediment, Silt, and Turbidity.
Great-Tasting Water
You will notice a cleaner more freshing glass of water after installing this filter. You should experience a reduction in chlorine taste and color in your water. Stay hydrated knowing that unwanted contaminants have been filtered out before they reach your glass
0.5 Micron Rating
This filter is manufactured to reduce contaminants down to 0.5 microns, ensuring microscopic larger than 0.5 microns are significantly reduced from your water. This high quality filtration will keep your water cleaner and more refreshing.Experience the Tier1 Difference
Tier1 manufactures high-quality filtration and household products. We take creating and maintaining a healthy home seriously. Products must undergo rigorous testing and meet demanding quality expectations in order to earn the Tier1 badge. Every purchase is backed by the Tier1® Guarantee:
- Guaranteed Fit
- Guaranteed Quality
- Guaranteed Price
Reduced Contaminants
The TIER1-RWF1100 reduces the following contaminants:
- Chlorine Taste & Odor
- Rust and Corrosion
- Sand
- Sediment
- Silt
- Turbidity
The TIER1-RWF1100 is comparable with the following part numbers
1257074 | 2168701 | 55866-05 | 55866-06 |
5586605 | 5586606 | 56932 | 640565 |
70020002518 | AP3961137 | CS-450 | CS-451 |
CS-452 | CS-51 | CS-52 | CS450 |
CS451 | CS452 | CS51 | CS52 |
CW-BQ1 | EFF-6026A | EVOLFLTR10 | RFC1800A |
RWF1100 | RWF2700A | SGF-BO52 | W1085590 |
WD-640565 | WHCFR-PLUS | WHFK-R-PLUS | WSB-1 |
WSQ-1 | B20CS5 | B20CS8 | FF21230 |
PH21230 | 00640565 | 176346 | Aqua-Pure C-CS-S |
C-CS-S | C-CS-FF | EAP8729485 | OCS CS52 |
OCS 55866-06 | PD00005729 | RWF-1100 | SGF-BO50 |
Ultra-Ease | UltraEase | WF-297 | WF297 |
WHCF-R-PLUS | WHCFRPLUS | WHKF-IMPLUS | WHKF-R-PLUS |
WHKFRPLUS | WSB1 | WSQ1 | EFF6026A |
EFF6026 | EFF-6026 | BO50 | TIER1-RWF1100 |
TIER1_RWF1100_2_PACK | TIER1_RWF1100_3_PACK | TIER1_RWF1100_4_PACK | TIER1_RWF1100_6_PACK |
TIER1-RWF1100-3-PK |
The TIER1-RWF1100 fits the following model numbers
B36CT81SNS | B36CT81SNS/01 | B36CT81SNS/02 | B36CT81SNS/03 |
B36CL81ENG | B36CL81ENG/01 | B36CL81ENG/02 | B36CL81ENG/03 |
B36CL81ENG/04 | B36CL81ENG/05 | B36CL80ENS | B36CL80ENS/01 |
B36CL80ENS/02 | B36CL80ENS/03 | B36CL80ENS/04 | B36CL80ENS/05 |
B36CL80ENS/06 | B36CL80ENS/07 | B36CL80SNS | B36CL80SNS/01 |
B36CL80SNS/02 | B36CL80SNS/03 | B36CL80SNS/04 | B36CL80SNS/05 |
B36CL80SNS/06 | B36CL80SNS/07 | B36CL80SNS/08 | B36CT80SNB |
B36CT80SNB/01 | B36CT80SNB/02 | B36CT80SNB/03 | B36CT80SNB/04 |
B36CT80SNB/05 | B36CT80SNB/06 | B36CT80SNB/07 | B36CT80SNB/08 |
B36CT80SNB/09 | B36CT80SNB/10 | B36CT80SNS | B36CT80SNS/01 |
B36CT80SNS/02 | B36CT80SNS/03 | B36CT80SNS/04 | B36CT80SNS/06 |
B36CT80SNS/07 | B36CT80SNS/08 | B36CT80SNS/09 | B36CT80SNS/10 |
B36CD50SNB | B36CD50SNB/01 | B36CD50SNB/02 | B36CD50SNB/03 |
B36CD50SNB/04 | B36CD50SNS | B36CD50SNS/01 | B36CD50SNS/02 |
B36CD50SNS/03 | B36BT935NS | B36BT935NS/01 | B36BT935NS/02 |
B36BT935NS/03 | B36BT935NS/04 | B36BT935NS/05 | B36IT905NP |
B36IT905NP/01 | B36IT905NP/02 | B36IT905NP/03 | B36IT905NP/04 |
B20CS30SNS | B20CS30SNS/01 | B20CS30SNS/02 | B20CS30SNS/03 |
B20CS30SNS/04 | B30IB905SP | B30IB905SP/01 | B30IB905SP/02 |
B30IB905SP/03 | B30IB905SP/04 | B18IF905SP | B18IF905SP/01 |
B18IF905SP/02 | B18IF905SP/03 | B18IF905SP/04 | B30BB935SS |
B30BB935SS/01 | B30BB935SS/02 | B30BB935SS/03 | B30BB935SS/04 |
B30BB935SS/05 | B18IF800SP | B18IF800SP/01 | B18IF800SP/02 |
B18IF800SP/03 | B18IF800SP/08 | B18IF900SP | B21CL80SNS |
B21CL81SNS | B21CT80SNB | B21CT80SNS | B22CS30SNS |
B22CS30SNS/01 | B22CS30SNS/02 | B22CS50SNB | B22CS50SNB/01 |
B22CS50SNB/02 | B22CS50SNB/03 | B22CS50SNB/04 | B22CS50SNB/05 |
B22CS50SNS | B22CS50SNS/01 | B22CS50SNS/02 | B22CS50SNS/03 |
B22CS50SNS/04 | B22CS50SNW | B22CS50SNW/01 | B22CS50SNW/02 |
B22CS50SNW/03 | B22CS50SNW/04 | B22CS50SNW/05 | B22CS80SNS |
B22CS80SNS/01 | B22CS80SNS/02 | B22CS80SNS/03 | B22CS80SNS/04 |
B26FT50SNS | B26FT70SNS | B26FT70SNS/01 | B26FT70SNS/02 |
B26FT70SNS/03 | B26FT70SNS/04 | B26FT70SNS/05 | B26FT70SNS/06 |
B26FT70SNS/07 | B26FT70SNS/08 | B26FT80SNS | B26FT80SNS(00) |
B26FT80SNS/01 | B26FT80SNS/02 | B26FT80SNS/03 | B26FT80SNS/04 |
B26FT80SNS/05 | B26FT80SNS/06 | B30BB830SS | B30BB830SS/02 |
B30BB830SS/05 | B30BB830SS/13 | B30BB830SS/15 | B30BB830SS/18 |
B30BB830SS/19 | B30BB830SS/20 | B30BB830SS/22 | B30BB830SS/23 |
B30BB830SS/26 | B30BB830SS/50 | B30BB830SS/52 | B30BB830SS/54 |
B30BB830SS/55 | B30BB830SS/56 | B30BB830SS/57 | B30BB830SS/61 |
B30BB830SS/62 | B30BB830SS/63 | B30BB830SS/64 | B30IB800SP |
B30IB800SP/01 | B30IB800SP/02 | B30IB800SP/50 | B30IB800SP/51 |
B30IB800SP/57 | B30IB800SP/58 | B30IB800SP/59 | B30IB800SP/62 |
B30IB800SP/63 | B30IB800SP/64 | B30IB800SP/66 | B30IB800SP/67 |
B30IB800SP/68 | B30IB900SP | B30IR900SP | B36BT830NS |
B36BT830NS/01 | B36BT830NS/04 | B36BT830NS/05 | B36BT830NS/06 |
B36BT830NS/07 | B36BT830NS/11 | B36BT830NS/15 | B36BT830NS/20 |
B36BT830NS/21 | B36BT830NS/25 | B36BT830NS/29 | B36BT830NS/50 |
B36BT830NS/56 | B36BT830NS/57 | B36BT830NS/59 | B36BT830NS/62 |
B36BT830NS/63 | B36BT830NS/65 | B36BT830NS/66 | B36BT830NS/68 |
B36IT8 | B36IT800NP | B36IT800NP/01 | B36IT800NP/02 |
B36IT800NP/03 | B36IT800NP/04 | B36IT800NP/05 | B36IT800NP/06 |
B36IT800NP/07 | B36IT800NP/08 | B36IT800NP/10 | B36IT800NP/13 |
B36IT800NP/14 | B36IT800NP/16 | B36IT800NP/17 | B36IT900NP |
BFL18IF800 | BFL30IR800 | B22CS30SNS-01 | B26FT70SNS |
Instructions
- Note: Filter must be pushed firmly into receiver and turned until filter is locked in place. If filter is not locked correctly, water will not flow.
- DO NOT use any tools to install this filter
- Shut off water supply
- Twist the old filter a quarter-turn counterclockwise and remove
- Insert new filter into the refrigerator receiver, push the new filter until it stops
- Twist the filter a quarter-turn clockwise
- Reset water filter status display
- Flush filter with 3-4 gallons of with water until water runs clear. Some noise is not uncommon as air is purged from the system.
- If filter sits for several days without use, flush a quart of water through the filter to remove stale water from refrigerator water lines
Reset Instructions
- Press the water filter reset button and hold for 3 seconds