Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
THERMO SCIENTIFIC Water Purification System, Type I, 2 lpm, 120V AC - Water Purification Systems
THERMO SCIENTIFICWater Purification Systems

THERMO SCIENTIFIC Water Purification System, Type I, 2 lpm, 120V AC

The THERMO SCIENTIFIC Water Purification System (SKU D4641, MPN D4641) is a Type I water purification system that removes inorganics from tap water. It operates on 120V AC, mounts on a wall, and delivers purified…

SKU 3G-OTH-383177

Also listed as: D 4641 · D-4641

Brand
THERMO SCIENTIFIC
Item
Water Purification System, Type I, 2 lpm, 120V AC
Part Number
D4641
Category
Water Purification Systems
Available to Order
Also known as:D4641THERMO SCIENTIFIC
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

THERMO SCIENTIFIC
Manufacturer Part Number
D4641
Type
2 lpm Flow Rate, Inorganics/Organics
Voltage
120V AC
Feed Source
Tap Water
Resistivity
18.2 Mohm.cm at 25°C
Product Type
Water Purification System
Mounting Type
Wall
Feed Connection
1/4" NPT
Impurities Removed
Inorganics
Purified Water Type
Type I Water
Feed Water Monitoring
No

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

THERMO SCIENTIFIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The THERMO SCIENTIFIC Water Purification System (SKU D4641, MPN D4641) is a Type I water purification system that removes inorganics from tap water. It operates on 120V AC, mounts on a wall, and delivers purified water with a resistivity of 18.2 Mohm.cm at 25°C. The system features a 1/4" NPT feed connection and a flow rate of 2 lpm.

Frequently Asked Questions

What is the Thermo Scientific D4641 water purification system used for?

The Thermo Scientific D4641 produces Type I ultrapure water (18.2 Mohm.cm at 25°C) by removing inorganics from tap water. It is used in analytical labs, HPLC, and sensitive experiments requiring high-purity water. 3G Electric supplies this system globally.

What are the specifications of the Thermo Scientific D4641?

The D4641 delivers Type I water at 2 lpm with 18.2 Mohm.cm resistivity. It operates on 120V AC, mounts on a wall, and uses a 1/4" NPT feed connection from tap water. It removes inorganics only. 3G Electric sources this Thermo Scientific system.

Where to buy the Thermo Scientific D4641 worldwide?

3G Electric supplies the Thermo Scientific D4641 water purification system to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this Type I water system.

How to install the Thermo Scientific D4641 water purification system?

Mount the D4641 on a wall per the manual. Connect a tap water supply to the 1/4" NPT feed inlet and provide 120V AC power. Prime the system and verify resistivity reaches 18.2 Mohm.cm. 3G Electric can provide support for your installation.

Used in

Common applications for THERMO SCIENTIFIC
Laboratory water quality analysis — Thermo Scientific 9104APWP pH electrode for routine pH measurement across 0 to 14 pH.
Industrial process monitoring — Thermo Scientific 927007MD temperature probe for surface or immersion measurements from 0 to 80 °C.
Environmental field testing — Thermo Scientific STARA3220 handheld meter for conductivity, salinity, temperature, and TDS up to 200 mS/cm.
High-conductivity sample testing — Thermo Scientific STARA2220 handheld meter rated to 3,000 mS/cm for brine or industrial water.
Reagent preparation — Thermo Scientific Type I water dispensing gun (e.g., 50136505) for ultrapure water delivery.
Analytical instrument feed — Thermo Scientific remote dispenser (e.g., 7601040) compatible with model 7201031 water purification systems.
Not sure this is the right part? Photo-identify it→

THERMO SCIENTIFIC Products

3G Electric supplies THERMO SCIENTIFIC water purification systems. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from THERMO SCIENTIFIC

View all THERMO SCIENTIFIC parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first