Cookie Policy

Last updated: 24 July 2026

This Cookie Policy explains how DYS FORTEX LTD, trading as Boiler Lines, uses cookies and similar technologies when you visit or use boilerlines.co.uk.

This policy should be read together with our Privacy Policy.

1. Who We Are

The website boilerlines.co.uk is operated by:

Legal company name: DYS FORTEX LTD
Trading name: Boiler Lines
Company number: 15246219
Registered office: C/O Elstree Consultants Ltd, 4 Imperial Place, Maxwell Road, Borehamwood, England, WD6 1JN
Website: boilerlines.co.uk
Email: info@boilerlines.co.uk

In this Cookie Policy, “Boiler Lines”, “we”, “us” and “our” refer to DYS FORTEX LTD.

2. What Are Cookies?

Cookies are small text files stored on your computer, smartphone, tablet or other device when you visit a website.

Cookies allow websites to recognise a device and may store information about:

• Website preferences;

• Shopping basket contents;

• Customer account sessions;

• Website interactions;

• Pages and products viewed;

• Login status;

• Privacy choices;

• Analytics activity;

• Advertising engagement.

Cookies may be set directly by Boiler Lines or by third-party service providers whose technologies are used on our website.

3. Similar Technologies

This policy also applies to other technologies that store information on, or access information from, your device.

These technologies may include:

• Tracking pixels;

• Tags;

• Scripts;

• Local storage;

• Software development kits;

• Device identifiers;

• Advertising identifiers;

• Conversion tags;

• Session-replay technologies;

• Similar browser or device storage technologies.

References to “cookies” in this policy include these similar technologies unless otherwise stated.

4. Our Cookie Consent Tool

Boiler Lines uses the Cookies & You consent-management application through the Shopify and Foxcom website environment.

This tool is used to:

• Display our cookie banner;

• Provide information about cookie categories;

• Record cookie preferences;

• Allow visitors to accept or reject non-essential cookies;

• Allow visitors to choose particular cookie categories;

• Store evidence of consent choices;

• Allow visitors to change or withdraw consent.

The consent tool is intended to prevent non-essential analytics, advertising and personalisation technologies from being activated until the visitor has provided the required consent.

The exact cookies detected and displayed by the consent tool may change as our website, Shopify configuration, applications and third-party services are updated.

5. Categories of Cookies We Use

We divide cookies and similar technologies into the following categories.

Strictly Necessary Cookies

Strictly necessary cookies are required for the website to operate correctly or to provide a service that you have specifically requested.

These cookies may be used for:

• Website security;

• Fraud prevention;

• Shopping basket operation;

• Checkout;

• Payment processing;

• Customer account login;

• Session management;

• Remembering privacy choices;

• Website load balancing;

• Delivery and order functionality;

• Protecting forms from misuse.

These cookies cannot normally be disabled through our consent tool because the website or requested service may not function correctly without them.

Functional Cookies

Functional cookies support optional website features and allow the website to remember choices.

They may be used for:

• Remembering customer preferences;

• Remembering region or language choices;

• Improving account functionality;

• Remembering previously viewed products;

• Supporting live-chat functionality;

• Providing enhanced website features.

Where functional cookies are not strictly necessary, they will only be activated after the required consent has been provided.

Analytics and Performance Cookies

Analytics and performance cookies help us understand how visitors interact with our website.

They may collect information about:

• Pages visited;

• Products viewed;

• Time spent on the website;

• Navigation paths;

• Traffic sources;

• Device and browser information;

• Website errors;

• Page-loading performance;

• Shopping basket activity;

• Checkout activity;

• Completed purchases;

• General user interactions.

We use this information to:

• Measure website traffic;

• Understand customer journeys;

• Improve website design;

• Improve product pages;

• Identify technical problems;

• Measure sales performance;

• Improve navigation and usability;

• Understand the effectiveness of website changes.

Analytics cookies are non-essential and will only be used where you have provided the required consent.

Advertising and Targeting Cookies

Advertising and targeting cookies may be used to:

• Measure advertising performance;

• Track advertising conversions;

• Understand whether an advertisement resulted in a visit or purchase;

• Create advertising audiences;

• Display more relevant advertising;

• Limit repeated advertisements;

• Support remarketing campaigns;

• Analyse advertising engagement.

These cookies may track activity across different websites, devices or services depending on the provider and the consent you have given.

Advertising and targeting cookies will only be activated where you have provided the required consent.

6. Shopify Cookies

Our website is hosted and operated using Shopify.

Shopify may use cookies and similar technologies to support:

• Storefront operation;

• Shopping basket functionality;

• Checkout;

• Customer accounts;

• Payment processing;

• Website security;

• Fraud prevention;

• Session management;

• Customer privacy choices;

• Store analytics, where permitted;

• Shopify applications and integrations.

Some Shopify cookies are strictly necessary for the website, shopping basket, account and checkout services to function.

Other Shopify-related analytics, personalisation or marketing technologies will be controlled according to your consent choices where consent is required.

7. Customer Account Cookies

Customers may create and use accounts on boilerlines.co.uk.

Cookies associated with customer accounts may be used to:

• Authenticate customers;

• Keep customers securely signed in;

• Protect accounts against unauthorised access;

• Display order history;

• Remember account preferences;

• Support account recovery;

• Maintain secure website sessions.

Cookies that are necessary for secure account access and authentication are treated as strictly necessary.

8. Shopping Basket and Checkout Cookies

We use cookies to:

• Remember products added to your basket;

• Retain basket contents between pages;

• Calculate order totals;

• Apply discounts;

• Support checkout;

• Remember checkout progress;

• Prevent duplicate transactions;

• Detect suspicious activity;

• Complete payment processing.

Without these cookies, you may not be able to add products to your basket or complete an order.

9. Shopify Payments and Klarna

Our website supports payments through:

• Shopify Payments;

• Klarna;

• Associated banks, card providers and payment networks.

These payment providers may use cookies or similar technologies for:

• Payment authentication;

• Fraud detection;

• Security;

• Transaction processing;

• Remembering payment choices;

• Payment eligibility assessments;

• Managing payment plans;

• Preventing unauthorised transactions.

Some payment technologies are strictly necessary to complete a transaction.

Klarna and other payment providers may also process information under their own privacy and cookie documentation.

10. Google Analytics 4

Subject to your consent, we use Google Analytics 4 to understand how visitors use our website.

Google Analytics may collect information such as:

• Pages and products viewed;

• Session duration;

• Device and browser type;

• Approximate location;

• Referring source;

• Website interactions;

• Shopping basket events;

• Checkout events;

• Purchase and conversion activity;

• Cookie and device identifiers.

We use this information to:

• Measure website traffic;

• Understand website usage;

• Analyse customer journeys;

• Identify website problems;

• Measure ecommerce performance;

• Improve our website and services.

Google Analytics cookies will not be intentionally activated before you provide analytics consent where consent is required.

11. Google Tag Manager

We use Google Tag Manager to manage tags and scripts used on our website.

Google Tag Manager may be used to control technologies including:

• Google Analytics 4;

• Google Ads;

• Meta Pixel;

• Microsoft Clarity;

• Other approved analytics and advertising tools.

Google Tag Manager itself is primarily a tag-management system. However, the tags deployed through it may collect or transmit information.

Tags configured through Google Tag Manager should operate according to the cookie preferences you select.

12. Google Ads

Subject to your consent, we use Google Ads technologies to:

• Measure advertising conversions;

• Understand advertising performance;

• Identify whether an advertisement led to a purchase;

• Create remarketing audiences;

• Display relevant advertising;

• Improve advertising campaigns.

Google Ads may collect or receive information about:

• Advertisement clicks;

• Website visits;

• Products viewed;

• Basket and checkout activity;

• Purchases;

• Cookie identifiers;

• Device identifiers;

• Browser and device information;

• Approximate location.

Google Ads and advertising-measurement technologies will only be activated where you have provided the required advertising consent.

13. Meta Pixel

Subject to your consent, we use Meta Pixel.

Meta Pixel may be used to:

• Measure Meta advertising performance;

• Track conversions;

• Understand whether Meta advertisements lead to purchases;

• Create advertising audiences;

• Support remarketing;

• Improve advertising relevance.

Meta may receive information concerning:

• Pages and products viewed;

• Basket activity;

• Checkout activity;

• Purchases;

• Browser and device information;

• Cookie identifiers;

• Advertising interactions.

Meta may process information according to its own privacy and cookie documentation.

14. Microsoft Clarity

Subject to your consent, we use Microsoft Clarity to understand how visitors interact with our website.

Microsoft Clarity may provide:

• Session recordings;

• Heatmaps;

• Click information;

• Scroll activity;

• Page navigation information;

• Device and browser information;

• Website error or usability information.

We use this information to:

• Identify usability problems;

• Improve page layouts;

• Understand navigation behaviour;

• Improve customer experience;

• Diagnose technical issues.

Microsoft Clarity will only be activated where the required analytics consent has been provided.

We aim to configure Clarity and similar technologies to avoid unnecessary collection of information entered into sensitive fields.

15. Klaviyo Cookies and Tracking Technologies

We use Klaviyo for email and SMS communications.

Where you have provided the necessary consent, Klaviyo technologies may be used to:

• Recognise returning visitors;

• Record products viewed;

• Record basket activity;

• Support abandoned-basket communications;

• Measure email engagement;

• Measure links clicked in emails;

• Personalise marketing communications;

• Analyse marketing performance;

• Associate website activity with an email or SMS subscriber.

Klaviyo may collect or process:

• Email address;

• Telephone number;

• Cookie identifiers;

• Browser and device information;

• Pages and products viewed;

• Basket activity;

• Purchase history;

• Email-opening information;

• Email-click information;

• SMS engagement information.

Klaviyo marketing and tracking technologies will be used only where an appropriate lawful basis exists and, where required, you have provided consent.

Providing an email address or telephone number for an order does not automatically mean that you have consented to marketing cookies or marketing communications.

16. Live Chat and Chatbot Cookies

Our website may use live-chat and chatbot services.

Cookies associated with these services may be used to:

• Maintain a chat session;

• Remember an ongoing conversation;

• Identify returning chat users;

• Provide customer support;

• Prevent abuse;

• Maintain service security;

• Improve support functionality.

Cookies strictly required to provide a chat service requested by you may be treated as necessary.

Optional analytics or marketing technologies associated with chat services will only be activated according to your consent choices.

17. First-Party and Third-Party Cookies

First-party cookies

First-party cookies are set by boilerlines.co.uk.

They may be used for:

• Shopping baskets;

• Customer accounts;

• Website preferences;

• Security;

• Consent records;

• Website functionality.

Third-party cookies

Third-party cookies are set by or provide information to external service providers.

These may include:

• Shopify;

• Shopify Payments;

• Klarna;

• Google;

• Meta;

• Microsoft;

• Klaviyo;

• Our consent-management provider;

• Live-chat and chatbot providers;

• Other approved technology providers.

Third parties may process information under their own privacy and cookie policies.

18. Cookie Duration

Cookies may be either session cookies or persistent cookies.

Session cookies

Session cookies normally expire when you close your browser.

They may be used for:

• Basket operation;

• Secure login sessions;

• Checkout;

• Website navigation;

• Temporary preferences.

Persistent cookies

Persistent cookies remain on your device for a set period or until you delete them.

They may be used for:

• Remembering preferences;

• Recording consent choices;

• Analytics;

• Advertising;

• Recognising returning visitors;

• Security;

• Marketing measurement.

The exact duration of a cookie depends on its purpose, provider and configuration.

Current cookie names, providers, purposes and durations may be displayed through our Cookies & You consent tool or cookie-preference panel.

19. Your Cookie Choices

When you first visit our website, you may be presented with a cookie banner.

Depending on the available options, you may be able to:

• Accept all cookies;

• Reject non-essential cookies;

• Accept selected categories;

• Review further information;

• Save custom preferences.

Refusing non-essential cookies will not prevent you from accessing the main shopping functions of the website.

However, some optional functionality, analytics, personalisation or advertising features may be unavailable or less effective.

20. Withdrawing or Changing Consent

You may change or withdraw your cookie consent at any time.

You can do this by:

• Opening the cookie-preference link or icon displayed on our website;

• Reopening the Cookies & You preference panel;

• Changing your browser settings;

• Deleting cookies stored on your device;

• Contacting info@boilerlines.co.uk if you require assistance.

Withdrawing consent will not affect the lawfulness of processing that occurred before consent was withdrawn.

After you withdraw consent, we will seek to prevent relevant non-essential technologies from being used during future website activity.

Some previously stored cookies may need to be deleted through your browser settings.

21. Browser Controls

Most browsers allow you to:

• View stored cookies;

• Delete cookies;

• Block all cookies;

• Block third-party cookies;

• Block cookies from particular websites;

• Receive warnings before cookies are stored;

• Clear cookies when the browser closes.

Browser settings vary between providers and devices.

Blocking all cookies may prevent parts of boilerlines.co.uk from functioning correctly, including:

• Customer accounts;

• Shopping basket functionality;

• Checkout;

• Payment processing;

• Privacy-preference storage.

22. Consent Records

We may retain information about your cookie choices to:

• Remember your preferences;

• Demonstrate that consent was obtained;

• Demonstrate that consent was refused;

• Record when preferences were changed;

• Respect withdrawn consent;

• Meet legal and regulatory obligations.

Consent records may include:

• Consent date and time;

• Consent categories selected;

• Consent identifier;

• Website or policy version;

• Device or browser information;

• Approximate location or region used to determine consent requirements.

Consent records will be kept only for as long as reasonably necessary.

23. Additional Tools Used in the Future

Boiler Lines may introduce additional:

• Analytics tools;

• Advertising platforms;

• Testing tools;

• Personalisation services;

• Customer-support technologies;

• Product-review systems;

• Website-performance tools;

• Shopify applications.

Before enabling new non-essential technologies, we will assess whether consent is required.

Where necessary, we will update:

• This Cookie Policy;

• Our Privacy Policy;

• The Cookies & You consent panel;

• The available cookie categories;

• The list of relevant third parties.

New non-essential technologies should not be activated until the appropriate consent has been obtained.

24. Do Not Track and Browser Privacy Signals

Some browsers provide “Do Not Track” or other privacy signals.

There is not always a consistent industry standard for responding to every browser signal.

Where supported by our Shopify configuration, consent tool or applicable law, we will seek to respect recognised privacy and consent signals.

The most reliable method for controlling cookies on boilerlines.co.uk is to use our cookie-preference panel and your browser settings.

25. Updates to This Cookie Policy

We may update this Cookie Policy when:

• We add or remove cookies;

• We introduce new service providers;

• We change our Shopify configuration;

• We add new analytics or advertising tools;

• Cookie durations or purposes change;

• Our consent-management system changes;

• Legal or regulatory requirements change.

The latest version will be published on this page.

The “Last updated” date at the top of this policy will be revised when material changes are made.

Where appropriate, we may ask you to review or renew your cookie preferences following a significant change.

26. Contact Us

For questions about this Cookie Policy or our use of cookies and similar technologies, contact:

DYS FORTEX LTD trading as Boiler Lines

Company number: 15246219
Registered office: C/O Elstree Consultants Ltd, 4 Imperial Place, Maxwell Road, Borehamwood, England, WD6 1JN
Website: boilerlines.co.uk
Email: info@boilerlines.co.uk