JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Skip to Content

My account Contact Us

Support

[email protected]

Free Shipping on ALL ORDERS in contiguous US!

Thermo Fisher Scientific Authorized Independent Channel Partner

Toggle Nav

Laboratory Equipment
Baths & Circulators
Accessories
Circulating Baths
Packages
Centrifuges
Accessories
Benchtop Centrifuges
Accessories
Spare Parts
Consumables
Rotors
Equipment
Packages
Validation
Consumables
Floor Model Centrifuges
Spare Parts
Accessories
Micro Centrifuges
Accessories
Equipment
Instrument
Packages
Rotors
Packages
Rotors
Spare Parts
Chillers
Accessories
Instrument
Cold Storage
Accessories
Freezers
Accessories
Packages
Refrigerators
Cryogenic Storage
Accessories
Equipment
Packages
Default Category
Parts and Accessories
Parts and Accessories
Spare Parts
Furnaces
Box Furnaces
Accessories
Tube Furnaces
Accessories
Incubators
Accessories
CO2 Incubators
Incubator Accessories
Lab Equipment Essentials
DryBaths
Accessories
Equipment
Electrophoresis
Accessories
Equipment
Misc Lab Products
Accessories
Rockers Rotators and Mixers
Accessories
Equipment
Speed Vacs
Accessories
Equipment
Packages
Rotors
Stirrers and Hot Plates
Accessories
Equipment
Value Enhanced LR&F MjC
Accessories
Ovens
Accessories
Equipment
Hybridization Ovens
Accessories
Equipment
Spare Parts
Packages
Spare Parts
Vacuum Ovens
Accessories
Spare Parts
Equipment
Parts and Accessories
Spare Parts
Pipette Products
Pipette Product Accessories
Pipettes
Remote Monitoring
ConnectEdge
Remote Monitoring
DeviceLink
Equipment
Accessories
Insight
Accessories
Insight (G2)
Accessories
Equipment
Subscriptions
Software
Insight (G3)
Equipment
Accessories
Subscriptions
Software
Remote Monitoring Systems
Equipment
SmartTracker
Equipment
Accessories
Subscriptions
SmartVue
Service Contracts
Subscriptions
Equipment
Remote Monitoring
Spare Parts
Accessories
Consumables
Software
Packages
SmartVue Pro
Equipment
Accessories
Service Contracts
Validation
Service Labor
Subscriptions
Software
Shakers
Accessories
Equipment
Packages
Temp Control
Accessories
Equipment
Water Analysis
Accessories
Consumables
Equipment
Instrument
Spare Parts
Water Purification
Accessories
Consumables
Equipment
Packages
Spare Parts
Stills
Equipment
Consumables
Accessories
Lab Supplies
Microplates
Cell Culture Microplates
Coated Binding Assay Microplates
Filtering Microplates
Microplate Covers
Microplate Strips
Storage Microplates
Surface Binding Assay Microplates
Beakers and Lids
Beakers
Bottles, Jars and Jugs
Bottles
Jars
Jugs
Boxes
Bins
Cryogenic and Freezer Boxes
Carboys
Carboy Spigots and Accessories
Cylindrical Carboys
Jerry Cans
Rectangular Carboys
Burettes
Automatic Burets
Buret Accessories
General Purpose Burets
Cell Culture Utensils
Cell Scrapers
Inoculating Loops and Needles
Specialty Surface Cellware and Inserts
Filters and Filtration
Bottletop Filters
Capsules and Inline Filters
Filter Holders and Hardware
Filter Receiver Storage Bottles
Filter Units
Filtration Membrane Discs
Microbiological Analysis Filters
Single Use Analytical Test Filter Units
Syringeless and Syringe Filters
Unique Application Filters and Devices
Centrifuges
Centrifuge Adapters
Clamps and Supports
Clamps
Clinical Specimen Collection
General Clinical Specimen Containers
Urine Collection
Cold Storage Products
Cryogenic Equipment
Insulated Containers
Cylinders
Graduated Cylinders
Pharmaceutical Graduates
Ungraduated Cylinders
Desiccators
Desiccator Accessories
Nonvacuum Desiccators
Vacuum Desiccators
Dishes
Cell Culture Dishes
In Vitro Fertilization Dishes
Petri Dishes
Trays
Environmental Samplers
General Purpose Sample Bags
Water and Wastewater Samplers
Facility Safety and Maintenance
Cleaning Supplies and Equipment
Labels and Label Makers
Spill Control and Containment
Waste Disposal
Flasks
Cell Culture Flasks
Erlenmeyer Flasks
Filtering Flasks
Flask Closures
Volumetric Flasks
Funnels
Filling Funnels
Filtering Funnels
Separatory Funnels
Hotplates and Stirrers
Stirring Bars and Rods
Industrial Hygiene and Environmental Monitoring
Radiation Monitoring Instrumentation
Mailing and Shipping Products
Shipping Labels
Microscope Slides
Chambers and Microslides
Plastic Microscope Slides
Pumps
Hand Vacuum Pumps
Pipette Products
Dropping Pipette
Pipette Cleaning Equipment
Pipette Tips
Racks
Bottle Racks and Carriers
Freezer Storage Racks
Labware Baskets
Microplate Racks
Microtube Racks
Petri Dish Racks
Pipet Racks
Special Purpose Racks
Tube Racks
Specialty Lab Equipment, Instruments, and Apparatuses
Laboratory Buckets and Pails
Specialty Lab Glassware
Stopcocks
Stoppers and Closures
Bottle Caps
Stoppers
Tanks
Cylindrical Tanks
Rectangular Tanks
Reservoirs and Liners
Tank Accessories
Tubes
Cell Culture Tubes
Centrifuge Tubes
Immunology Tubes
Tube Caps and Closures
Tubing
Plastic Tubing
Tubing Connectors and Fittings
Tubing Tools
Vacuum Tubing
Vials
Cryogenic Storage Vials
Micro Sampling Vials and Closures
Sample Vials
Serum Vials and Closures
Water and Wastewater Testing Supplies
Sludge and Suspended Matter Testing Products
Water and Wastewater Systems
Bottles
Specialty Lab Equipment
Customer Service
Why buy from McQueen?
Use a Purchase Order
Returns & Policies
Contact
About Us
Track an Order

Search

Search

Advanced Search

Sign In
Create an Account

My Wish List

Last Added Items

Add to Cart

Remove This Item

Go to Wish List

You have no items in your wish list.

My Cart items item

THERMO 400194 VALVE DIAPHRAGM 1/2

THERMO 400194 VALVE DIAPHRAGM 1/2

SKU

400194

Add to Wish List

Write a Review!

$153.18

Inventory changes frequently for this product, please contact us via the form below for the latest inventory details for this product. During our business hours ET we typically respond within 5 minutes, so please look out for our email shortly.

Qty

Please fill out the form below to contact one of our representatives about the product you are interested in.

Name *

Email *

SKU *

Quantity *

Thank you for contacting us! During our business hours (Eastern Time), we typically respond within 5 minutes, so please look out for our email shortly. We are already reviewing your request and look forward to helping you.

Product Description

Compare & Specs

VALVE DIAPHRAGM 1/2

Frequently Bought Together

THERMO 400194 VALVE DIAPHRAGM 1/2
$153.18
THERMO 840024 1/4 HOSE Y CONNECTOR
$15.32
THERMO 70900177 PM KIT LYNX
$1,293.28
THERMO 7011-2022-00B PLATE HEARTH MT03 3-9/16X8-1/4
$277.44
THERMO M60-0016-02 VAC. GAUGE 111.10-2.5 -4BUC-3
$408.94

Total price

Customers Also Bought

THERMO 21081273 S BATT B/UP REPL BATTERY 12VDC
$520.20

Add to Cart
THERMO 300279 RELAY SOLID STATE 10A120V
$296.23

Add to Cart
THERMO 63040 O-Ring Lid Knob SS Rotors EA
$40.46

Add to Cart
THERMO 302113H01 SLIDEDRAWER (SMALL)
$70.67

Add to Cart
THERMO 92794 BREAKER CIRCUIT
$1,004.28

Add to Cart

Free Shipping

All orders in contiguous US

Manufacturer Direct

New, quality equipment

Full Warranty

On all products

Authorized Partner

Independent Channel Partner

Company

About Us
Why choose McQueen?
Download our W-9

Support

Contact
Track an Order
Shipping
Payment

Store

Returns and Exchanges
Privacy Policy
Terms and Conditions

McQueen Laboratory Supply
[email protected]
Phone: 888-962-6932
8-5 ET Weekdays

McQueen Laboratory Supply is an authorized Thermo Fisher Scientific Independent Channel Partner

Copyright © 2025 McQueenLabs.com. All rights reserved.