Castel Humidity Indicator Ø 10 mm – Models 3940/M10 & 3740/M10

Castel Humidity Indicator Ø 10 mm (3940/M10 & 3740/M10)

€41.67

Tax included

€34.44 tax excl.

Calculate Shipping Cost

GDPR Compliance

Protecting your personal data

Shipping policy

Everything about shipping your order

Return policy

all the inns and outs about our return policy

Description

Keep your refrigeration and HVAC systems running smoothly with the Castel Ø 10 mm humidity indicator. Designed for fast, accurate moisture detection, this inline device provides clear, color-coded feedback—turning blue to pink/red—to alert you instantly to moisture ingress.

Instant Color Alerts: Visual shift from blue to pink/red for moisture indication.
Universal Ø 10 mm Thread: Easy integration with standard refrigeration lines.
Robust Construction: Corrosion-resistant materials ensure durability.
Model Compatibility: Designed for Castel 3940/M10 and 3740/M10.

Rely on Castel’s trusted humidity indicator to protect your equipment, simplify maintenance, and extend system life.

Looking for similar items or different specifications for this Castel Humidity Indicator Ø 10 mm (3940/M10 & 3740/M10)?
Explore our full range in the Horeca, Refrigeration Fittings categories

* This part is compatible to the original part number. Part numbers are always leading.

Details

Brand Castel

Reference 59-120-3201020

Data sheet

Brand: Castel
Type: Compatible (non-original)

Review

Comments (0)

No customer reviews for the moment.

8 other product

Castel Humidity Indicators ¼″ FM SAE – Models 3950/22 & 3750/22

Castel Humidity Indicators ¼″ FM SAE for Cooling Systems

Ensure moisture-free refrigerant flow in your cooling circuits with the Castel Humidity Indicators ¼″ FM SAE. These Italian-made indicators feature durable brass bodies and an integrated color-change sight glass for instant moisture detection. Features & Benefits Dual Models: 3950/22 & 3750/22 to suit system preferences Standard ¼″...

€29.48

Quick-view

Castel Nut 3/8″ SAE Ø 8 mm (Model 7030/3M8)

Ensure secure, leak-proof connections in your refrigeration and HVAC systems with the Castel Nut 3/8″ SAE, featuring a precise Ø 8 mm internal thread. Crafted from high-grade brass and finished for corrosion resistance, this nut provides dependable performance under demanding conditions. Precision Machining: Ensures a tight, leak-proof seal every time....

€2.24

Quick-view

Castel Nut 3/8″ SAE Ø 10 mm (Model 7030/3M10)

Maintain secure, leak-free connections in your refrigeration and HVAC systems with the Castel Nut 3/8″ SAE, featuring a precise Ø 10 mm internal thread. Crafted from high-grade brass and finished for corrosion resistance, this nut provides dependable performance under demanding conditions. Precision Machining: Ensures a tight,...

€2.24

Quick-view

Castel Double Swivel Sleeve US4-6 3/8″ SAE

Achieve hassle-free hose and tube routing in your refrigeration and HVAC systems with the Castel Double Swivel Sleeve US4-6 3/8″ SAE. Featuring two independent swivel ends, this coupling lets you align connections without twisting or stressing lines—ideal for tight or awkward installations. Dual Swivel Ends: Independent 3/8″ SAE...

€12.91

Quick-view

Castel Humidity Indicator ⅜″ MM SAE (Models 3910/33 & 3710/33)

Protect your refrigeration and HVAC equipment from moisture-related damage with the Castel ⅜″ MM SAE Humidity Indicator. Featuring a built-in color-changing window, it provides clear, immediate alerts—turning from blue to pink/red—so you can perform maintenance before system performance is compromised. Instant Visual Feedback: Color...

€30.09

Quick-view

Castel Charger Connection Tee MMF – ¼″ SAE x ¼″ SAE x ¼″ SAE

Optimize refrigerant charging and servicing with the Castel Charger Connection Tee MMF. This compact brass T-union features two female SAE ports (one with a swiveling protective cap and built-in precursor) and one male SAE port with internal threading for seamless tool engagement. Features & Benefits MMF Configuration: Two female and one male ¼″ SAE...

€36.59

Quick-view

Castel Humidity Indicator ½″ FM SAE – Models 3950/44 & 3750/44

Castel Humidity Indicator ½″ FM SAE for Cooling Systems

Maintain dry, contaminant-free refrigerant flow in your cooling circuits with the Castel Humidity Indicator ½″ FM SAE. These Italian-made indicators feature robust brass bodies and an integrated color-change sight glass for instant moisture detection. Features & Benefits Dual Models: 3950/44 & 3750/44 to suit system preferences...

€32.73

Quick-view

Castel Nut 1/2″ SAE Ø 3/8″ (Model 7020/43)

Maintain leak-free connections in your refrigeration and HVAC systems with the Castel 1/2″ SAE Nut, featuring a precise Ø 3/8″ internal thread. Crafted from high-quality brass with a corrosion-resistant finish, this nut provides durable, reliable performance under demanding conditions. Precision Engineering: Guarantees a secure,...

€2.85

Quick-view

join our Newsletter now

You may unsubscribe at any moment. For that purpose, please find our contact info in the legal notice.

contact info

Brooks Parts
H.R. Holsterf 288
3315TK Dordrecht
Netherlands
(no visiting adress)
info@brooksespressomachines.com

Products

Our company

Your account

This website uses its own and third-party cookies to improve our services and show you advertising related to your preferences by analyzing your browsing habits. To give your consent to its use, press the Accept button.

More information Customize cookies

Functional cookies

Yes

Description and cookies

Functional cookies are strictly necessary to provide the services of the shop, as well as for its proper functioning, so it is not possible to refuse their use. They allow the user to browse through our website and use the different options or services that exist on it.


PHP_SESSID	brooks-parts.com	The PHPSESSID cookie is native to PHP and allows websites to store serialised status data. On the website it is used to establish a user session and to pass state data through a temporary cookie, which is commonly known as a session cookie. These Cookies will only remain on your computer until you close your browser.	Session
PrestaShop-#	brooks-parts.com	This is a cookie used by Prestashop to store information and keep the user's session open. It stores information such as currency, language, customer ID, among other data necessary for the proper functioning of the shop.	480 hours

Advertising Cookies

Yes

Description

These are cookies that collect information about the advertisements shown to users of the website. They can be anonymous, if they only collect information about the advertising spaces shown without identifying the user, or personalised, if they collect personal information about the user of the shop by a third party, for the personalisation of these advertising spaces.

Analytics cookies

Yes

Description

Collect information about the user's browsing experience in the shop, usually anonymously, although sometimes they also allow the user to be uniquely and unequivocally identified in order to obtain reports on the user's interests in the products or services offered by the shop.

Performance cookies

Yes

Description

These are used to improve the browsing experience and optimize the operation of the shop.

Other cookies

Yes

Description

These are cookies without a clear purpose or those that we are still in the process of classifying.