Add to your Saved Lists

This product will be delivered by one of our approved suppliers

Your Account

Due to forthcoming changes to improve security, older browsers* will no longer be able to handle payment online. These updates are part of an industry-wide initiative to improve standards

Please check your browser, you may need to update it.

CONNECT HERE

NEED MORE HELP?

Please remove invalid characters (e.g {{invalidCharacters}}) and try again

This will change the location for any other collections you currently have in your basket

Changing your selected store to {{storeName}}

Add this item to your basket for delivery

Send an email to {{email}}. Opens in your default email application in a new window.

Call {{phoneNumber}}. Opens in your default phone call application in a new window.

Departments

| Screwfix

Product is unavailable for Collection

Add this item to your basket for Collection

Product is unavailable for Delivery

Add this item to your basket for Delivery

Collect {{date}} in <span>{{storeName}}</span> ({{quantity}} in stock)

Collect {{day}} in <span>{{storeName}}</span> ({{quantity}} in stock)

Collect today in <span>{{storeName}}</span> ({{quantity}} in stock)

Collect tomorrow in <span>{{storeName}}</span> ({{quantity}} in stock)

Collect {{date}} in <span>{{storeName}}</span>

Collect {{day}} in <span>{{storeName}}</span>

Collect today in <span>{{storeName}}</span>

Collect tomorrow in <span>{{storeName}}</span>

Collect Service

This won't take a second...

You need to update your cookie setting to view video content. To do this simply set the YouTube cookie to be 'on'. You can make this change here.

You need to update your settings to view this content.

Over 4,000 products available for delivery between 48hrs and 72hrs to Spain, Poland, Belgium, Netherlands, Austria and Sweden.

For delivery to Europe

Plus de 10 000 produits livrables à domicile en France métropolitaine et en Corse.

Pour une livraisonen France

Over 10,000 products available to Click & Collect in as little as 1 minute & 27,000 products available for home delivery.

For delivery to ROI

Please select by delivery location

Over 10,000 products available to Click & Collect in as little as 1 minute & 57,000 products available for home delivery.

For delivery to the UK (inc NI)

Embedded Screwfix YouTube video

Best sellers...

Extra range is available for free next day collection in store. It's also available for free next day delivery when you spend over £50. Geographical restrictions apply.

Extra Range

We suggest you amend your filter selection, or <ClearFiltersLink>clear all filters</ClearFiltersLink>

testAudience

tenant

UK Website

IE Website

$opt_dummy_attribute

Optimizely-Generated Audience for Backwards Compatibility

branded-cards

We accept:

green-star

Green Star

approved-supplier-deliveries

Approved Supplier Deliveries

risk-assessment

Risk Assessment

product-listing-page-layout

privacy-policy

Privacy Notice

a---z-brands

A - Z Brands

find-a-store

Find a Store

electricfix-config

screwfix-sprint

Screwfix Sprint

screwfix-card

Screwfix Card

fuds

tool-hire

Tool Hire

click-collect

Click & Collect

about-screwfix

ABOUT SCREWFIX

below-header-merch-area

plumbfix-config

18th-edition-wiring-regulations

18th Edition Wiring Regulations

faqs

FAQs

shopping-with-us

SHOPPING WITH US

secure-payment-options

Secure Payment Options

responsible-disclosure

Responsible Disclosure

help-link

Need Help

footer

returns

Returns

more-from-screwfix---sfx

MORE FROM SCREWFIX

<section style="background-color:#2E2CFF">
<a href="https://www.screwfix.mom/search?search=dewaltpromo">
<div>
<span style="color:#FFFFFF;font-family: 'screwfix_betaregular', arial, sans-serif;">SAVE UP TO 25% ON DEWALT! SELECTED DEALS END SUNDAY. SHOP NOW</span>
<span style="border-bottom:8px solid transparent;border-top:8px solid transparent;border-left:8px solid #FFFFFF;margin:0 3px -1px;display:inline-block"></span>
</div>
</a>
</section>
</section>

promo-merch-banners

smart-homes

Smart Homes

website-terms-conditions

Website Terms & Conditions

cookie-preferences

Cookie Preferences

plumbfix

Plumbfix

screwfix-top-tradesperson

Screwfix Top Tradesperson

gallery-of-links---pfx

screwfix-config

accessibility

Accessibility

policy-links

POLICY LINKS.

mastercard

Mastercard

trade-uk-card

Trade UK Card

trade-credit-account

Trade Credit Account

screwfix-rewards

Screwfix Rewards

electricfix

Electricfix

rate-review

Rate & Review

screwfix-key-accounts

Screwfix Key Accounts

help-contact

Contact Us

CLICK & COLLECT

cookie-policy

Cookie Notice

screwfix-sustainability

Screwfix Sustainability

DELIVERY IN AS LITTLE AS 20 MINUTES

modern-slavery-statement

Modern Slavery Statement

google-pay

Visa

paypal

Paypal

more-from-screwfix---pfx

price-promise

Price Promise

gallery-of-links---efx

delivery

Delivery

careers-at-screwfix

Careers at Screwfix

customer-services

CUSTOMER SERVICES

Inhibitors & Protectors

Sentinel X100 Central Heating Scale Inhibitor 1Ltr

Buy X100 Inhibitors & Protectors at screwfix.mom. 30 day money back guarantee. 60 days free credit available. Products reviewed by the trade and home improvers. Choose from top trade brands.

Sentinel X100 Central Heating Scale Inhibitor 1Ltr (79683)

Sentinel X100 Rapid-Dose 250ml (859EX)