Why order the WA311B from LabSupplies.com
Type I Water Purification System, Benchtop or Wall Mount, 220V/50Hz Overview
The Type I Water Purification System, Benchtop or Wall Mount, 220V/50Hz (model WA311B) is a Type I water purification system from Yamato Scientific, supplied by LabSupplies.com as an authorized dealer. This compact unit produces ultrapure reagent water on demand at 18.2 MΩ·cm resistivity for laboratories that need consistent deionized water.
Purification runs through conditioning and polishing cartridges finished by a 0.2 micron final filter. Quick-change, no-tools cartridges carry premium ResinTech ion-exchange media, keeping maintenance fast and cost of ownership low. Typical output reaches 2.5 LPM (0.67 GPM) from feed water under 20 µS/cm.
Key Features
- Type I ultrapure output: 18.2 MΩ·cm resistivity, TOC below 15 ppb, and bacteria under 1 cfu/ml for demanding reagent-grade applications.
- Quick-change cartridges: no-tools design loaded with premium ResinTech ion-exchange media for fast media swaps.
- 0.2 micron final filter: polishes dispensed water to remove fine particulates and microbial contamination.
- Real-time monitoring: continuous water-quality readout paired with integrated leak detection.
- Typical 2.5 LPM flow: 0.67 GPM delivery from feed water under 20 µS/cm.
Specifications
| Specification | Detail |
|---|---|
| Voltage | 220V |
| Type | Type I ultrapure water purification system |
| Purification Process | Conditioning and polishing cartridges with a 0.2 µm final filter |
| TOC | < 15 ppb |
| TOC Monitor | Not included |
| Dispense Configuration | Benchtop or wall-mount |
| Power | 220V / 50 Hz |
| Application | General Type I reagent water on demand |
| Water Quality | Type I ultrapure — 18.2 MΩ·cm resistivity |
| Bacteria | < 1 cfu/ml |
| Flow Rate | 2.5 LPM / 0.67 GPM (typical) |
| Feed Water Requirement | < 20 µS/cm |
| Final Filter | 0.2 micron |
| Monitoring | Real-time quality monitoring with leak detection |
| Cartridges | Quick-change, no-tools design; premium ResinTech ion-exchange media |
| Dimensions (H × W × D) | 21.6" × 14.7" × 14.4" (54.8 × 37 × 36.5 cm) in |
| Country of Origin | United States |
| GTIN (Barcode) | 797059929276 |
| Shipping Weight | 34.1 lbs |
| Shipping Dimensions (L × W × H) | 26.5 × 18.63 × 20.3 in |
| Warranty | 1 year (Yamato Scientific America) |
| Service | Calibration and preventive maintenance on site by Yamato-certified technicians or at Yamato's California service center |
| Weight | 42 lbs. dry / 47 lbs. operating |
Ordering Information
| Catalog number | GTIN / UPC |
|---|---|
| WA-311B | 797059929276 |
| Manufacturer | Yamato Scientific |
| Manufacturer part number | WA-311B |
| UNSPSC | 48101716 — Water purifier |
| Export classification (ECCN) | EAR99 |
Documents & Downloads
Parts & Accessories for the WA Series
Genuine Yamato WA-series parts. Fitment is taken from each part's Yamato description.
More in This Series
- Yamato WA301B Type I Water Purification System, Benchtop or Wall Mount, 120V/60Hz
- Yamato WB311UFB Type I Water Purification System, Benchtop, with Ultrafiltration Module, 220V/50Hz
- Yamato WB301UFB Type I Water Purification System, Benchtop, with Ultrafiltration Module, 120V/60Hz
- Yamato WC311UVB Type I Water Purification System, Benchtop, with UV Oxidation Lamp, 220V/50Hz
- Yamato WC301UVB Type I Water Purification System, Benchtop, with UV Oxidation Lamp, 120V/60Hz
- Yamato WA311R Type I Water Purification System, Remote Dispense, 220V/50Hz
View all Water Purification Systems →
Frequently Asked Questions
What grade of water does the WA311B produce?
It produces Type I ultrapure water at 18.2 MΩ·cm resistivity. TOC stays below 15 ppb and bacteria below 1 cfu/ml, supporting reagent-grade laboratory applications.
What voltage and frequency does the WA311B require?
The system runs on 220V / 50 Hz. Confirm your facility power matches this specification before installation.
What is the typical flow rate and feed water requirement?
Typical flow is 2.5 LPM (0.67 GPM). Feed water should measure under 20 µS/cm for proper operation.
Which replacement parts and accessories are listed for the Yamato WA311B?
Yamato lists 3 parts for the WA Series: WA-201UF, WA-401 and WA-401UV. Each is linked with its description in the parts table on this page.
What is the UNSPSC code for the Yamato WA311B?
The Yamato WA311B is classified under UNSPSC 48101716 (water purifier).
Where is the Yamato WA311B manufactured?
Yamato Scientific lists United States as the country of origin for the WA311B.
Is there a spec sheet or brochure for the Yamato WA311B?
Yes. The Yamato WA300 Series Water Purifier brochure (610 KB PDF) is linked under Documents & Downloads on this page.
What are the shipping dimensions and weight of the Yamato WA311B?
Yamato's shipping data lists the WA311B at 26.5 × 18.63 × 20.3 in and 34.1 lb packed.



