(function (w, d) {

        


    w.tsUpdateMetaDescription = function () {
        var existingTitle = document.querySelector('title').innerText;
        document.querySelector('title').innerText = "***** Rating:  5.0 - 316 Reviews - " + existingTitle;

        var existingDesc = document.querySelector('meta[name="description"]').getAttribute("content");
        document.querySelector('meta[name="description"]').setAttribute("content", "***** Rating:  5.0 - 316 Reviews - " + existingDesc);
    };


        

    var timestamp = document.createElement("meta");
    timestamp.setAttribute("name", "ts-timestamp");
    timestamp.setAttribute("content", new Date().toLocaleString());
    document.head.appendChild(timestamp);


        var businessKey = "1e6oe62a";
        var locationKey = "";
        var tenantKey = "";
        var months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
        var accessToken = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbnRpdHlJZCI6IjFlNm9lNjJhIiwiZXhwIjoxNzczOTgwMTAyLCJpc3MiOiJUcnVzdGlzdCIsImF1ZCI6IldpZGdldHMifQ.9BjvosR_RuSR2wruXb8eBQFvMiVtNZWRunltJJqdovE";

        function start(f) { /in/.test(document.readyState) ? setTimeout(start, 5, f) : f(); }

        tsAddCssTag("https://widgetassets.trustist.com/css/cleanslate.css");
        tsAddCssTag("https://widgetassets.trustist.com/css/header.css");

        w.trustist ??= {};
        w.trustist.header = {
            draw: function () {


    if (d.getElementById("ts-json") === null) {
        var filter = Array.prototype.filter;
        var els = d.querySelectorAll('h1,title,h2');

              
        var productName = "UK Boiler Fit";
        var field = filter.call(els, function (node) {
            return node.innerText != "";
        })[0];

        if (typeof field !== "undefined") {
            productName = field.innerText;
        }
                

        var json = "[{\"@type\":\"Product\",\"@id\":\"{{url}}#trustist\",\"description\":null,\"logo\":\"https://content.trustist.com/brandlogos/0add1786-a2d2-4837-b783-344d258ffd38.png\",\"image\":[\"https://content.trustist.com/brandlogos/0add1786-a2d2-4837-b783-344d258ffd38.png\"],\"name\":\"{{productName}}\",\"alternateName\":null,\"hasMap\":null,\"geo\":null,\"telephone\":null,\"url\":\"{{url}}\",\"address\":null,\"branchOf\":null,\"openingHoursSpecification\":null,\"sameAs\":[\"https://www.trustist.com/local-reviews/Website-Review-uk-boiler-fit-reviews-4328.html\"],\"@context\":\"http://schema.org\",\"brand\":{\"@type\":\"Organization\",\"@id\":null,\"description\":null,\"logo\":\"https://content.trustist.com/brandlogos/0add1786-a2d2-4837-b783-344d258ffd38.png\",\"image\":[\"https://content.trustist.com/brandlogos/0add1786-a2d2-4837-b783-344d258ffd38.png\"],\"name\":\"UK Boiler Fit\",\"alternateName\":null,\"hasMap\":null,\"geo\":null,\"telephone\":null,\"url\":\"http://www.ukboilerfit.co.uk/\",\"address\":null,\"branchOf\":null,\"openingHoursSpecification\":null,\"sameAs\":null},\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":5,\"bestRating\":5,\"worstRating\":1,\"reviewCount\":316},\"review\":{\"@type\":\"Review\",\"url\":\"https://www.trustist.com/local-reviews/Website-Review-uk-boiler-fit-reviews-4328.html\",\"author\":{\"@type\":\"Person\",\"name\":\"Olakunle Omosanya\",\"address\":null},\"datePublished\":\"2026-02-25T16:41:52.000Z\",\"headline\":\"\",\"isBasedOn\":null,\"reviewBody\":\"Excellent Service from UK Boiler Fit\\r\\n\\r\\nI recently had a new boiler installed by UK Boiler Fit, led by David Jones, and I couldn’t be more pleased with the service I received. From start to finish, David and his team were prompt, professional, and highly knowledgeable. The installation was carried out efficiently, and they clearly demonstrated strong technical expertise throughout the process. They took the time to explain everything clearly and ensured the work area was left clean and tidy.\\r\\n\\r\\nWhat stood out most was how friendly and approachable the team were — it made the whole experience smooth and stress-free. I would highly recommend UK Boiler Fit to anyone looking for a reliable and professional boiler installation service.\",\"reviewRating\":{\"@type\":\"Rating\",\"ratingValue\":5,\"bestRating\":5,\"worstRating\":1},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Trustist\",\"sameAs\":\"https://www.trustist.com\"},\"reply\":null,\"replyDate\":null,\"subject\":null},\"mpn\":\"{{url}}\",\"sku\":\"{{url}}\"}]";

        var a = d;
        var c = a.createElement("script");
        c.type = 'application/ld+json';
        c.id = 'ts-json';
        c.innerText = json
            .replace(new RegExp("{{url}}", 'g'), w.location.href)
            .replace("{{productName}}", productName)
            .replace("\"{{productDesc}}\"", JSON.stringify((d.body.innerText || d.body.textContent).replace(/[^ -~]+/g, "").substring(0, 200) + "..."));
        a = a.getElementsByTagName("head")[0];
        a.appendChild(c);
    }

                // iterate over all widgets on the page and render
                var div = document.querySelector("[ts-headerWidget],div.ts-headerWidget");
                if (div) {
                    tsDisplayWidget(div, businessKey, locationKey, tenantKey);
                }
                else {
                }
            }
        };

        start(w.trustist.header.draw);

        function tsDisplayWidget(target) {
            // get options before cleanslate
            var options = tsReadAttributes(target);

            // draw the main template
            target.innerHTML = ' <div id="ts-style" class="cleanslate">     <div class="ts-review-drop">         <div id="ts-review-drop-trigger" class="ts-review-drop-trigger">             <div class="ts-rating">                 <!----[ Client total current rating out of 5 ]---->                 <span class="ts-current-rating">5.0</span>                 <span class="ts-max-rating">/5.0</span>             </div>             <!----[ Update clients total review count ]---->             <span class="ts-based-on">Based on 316 Customer Reviews</span>             <div id="ts-stars" class="ts-stars" aria-label="Rated 5.0 out of 5"><div style="width:175.0px !important; overflow: hidden !important;"><span></span></div></div>         </div>     </div> </div>';

            // draw the dropdown
            var dropdownDiv = d.createElement('div');
            dropdownDiv.setAttribute("id", "ts-style");
            dropdownDiv.setAttribute("class", "cleanslate");
            dropdownDiv.innerHTML = ' <div class="ts-review-drop">     <div id="ts-review-dropdown">         <span id="ts-top-arrow"></span>         <!----[ Button to close for mobile only as hover interactions not reliable for mobile ]---->         <button type="button" id="ts-mobile-close">             <span class="one"></span>             <span class="two"></span>         </button>         <div class="ts-review-drop-inner">             <div class="ts-review-drop-top">                 <!----[ Update total reviews count ]---->                 <span class="ts-review-count-label">Showing <span class="ts-viewing-count"><!--pageSize--></span> of 316 Customer Reviews <a class="ts-view-all-reviews" href="https://www.trustist.com/local-reviews/Website-Review-uk-boiler-fit-reviews-4328.html" rel="noopener" title="View all our customer reviews">View all</a></span>                 <div class="ts-drop-rating">                     <div class="ts-rating">                         <!----[ Update current reviews total score score ]---->                         <span class="ts-current-rating">5.0</span>                         <span class="ts-max-rating">/5.0</span>                     </div>                     <div class="ts-stars" aria-label="Rated 5.0 out of 5"><div style="width:175.0px !important; overflow: hidden !important;"><span></span></div></div>                 </div>             </div>             <div class="ts-review-drop-content">                 <div class="ts-content-scroll">                     <ul class="ts-reviews-list">                         <!----[ Repeatable items for the scrollabel list ]---->                         <!--reviews-->                     </ul>                 </div>             </div>             <div class="ts-review-drop-bottom">                 <!----[ Dropown footer logo ]---->                 <a id="ts-review-drop-logo" href="#" aria-label="Trustist reviews">                     <img src="https://widgetassets.trustist.com/img/logo.png" alt="Trustist logo" width="160" height="66" />                 </a>             </div>         </div>     </div>     </div>';
            d.body.appendChild(dropdownDiv);

            // draw the reviews
            var xhr = new XMLHttpRequest();
            var url = tsBuildUrl(options);
            xhr.open("GET", url);
            xhr.onload = function () {
                if (xhr.status === 200 && xhr.responseText !== "") {
                    var reviews = JSON.parse(xhr.responseText);
                    tsDrawReviews(dropdownDiv, reviews, options);
                    tsWireUp(options);
                } else {
                }
            };
            xhr.send();
        }

        function tsBuildUrl(options) {
            var url = "https://widget.trustist.com/reviewlistdata?v=1&accessToken=" + accessToken + "&pageNum=1&pageSize=" + options.pageSize;
            if (typeof tenantKey !== "undefined" && tenantKey !== "") url += "&tenantKey=" + tenantKey;
            if (typeof businessKey !== "undefined" && businessKey !== "") url += "&businessKey=" + businessKey;
            if (typeof locationKey !== "undefined" && locationKey !== "") url += "&locationKey=" + locationKey;
            if (options.ratingsAbove > 0) url += "&ratingFrom=" + options.ratingsAbove;
            if (options.exclude > '') url += "&exclude=" + options.exclude;
            return url;
        }

        function tsDrawReviews(target, reviews, options) {
            var reviewContent = '';
            var template = '<li class="ts-review-item">     <div class="ts-review">         <!--reviewTextTemplate-->         <!--reviewReplyTemplate-->     </div>     <div class="ts-reviewer">         <img src="{{reviewSourceLogo}}" alt="Review source logo" />         <span class="ts-review-date"><!--reviewDate--></span>         <span class="ts-reviewer-name"><!--reviewerName--></span>         <span class="ts-reviewer-score"><!--rating--><span class="ts-out-of">/5.0</span></span>     </div> </li>';
            var textTemplate = ' <div class="ts-review-text">     <p><!--reviewText--><!--<a class="ts-read-full" href="#" title="Read More" target="_blank">Read More</a>--></p> </div>';
            var replyTemplate = '<div class="ts-review-replies">     <ul class="ts-review-replies-list">         <li class="ts-review-reply">             <span class="ts-reply-label">Reply - </span>             <span class="ts-reply-content">"<!--replyText-->"</span>             <span class="ts-reply-date"><!--replyDate--></span>         </li>     </ul> </div>';

            reviews.forEach(function (review) {
                var d = new Date(review.datePublished);
                var reviewDate = d.getDate() + ' ' + months[d.getMonth()] + ' ' + d.getFullYear();

                var thisReview = template
                    .replace('{{reviewSourceLogo}}', review.image)
                    .replace('<!--reviewerName-->', review.author.name)
                    .replace('<!--reviewDate-->', reviewDate)
                    .replace('<!--rating-->', (review.reviewRating.ratingValue / 2).toFixed(1));

                if (review.reviewBody > '') {
                    thisReview = thisReview.replace(
                        '<!--reviewTextTemplate-->',
                        textTemplate.replace('<!--reviewText-->', review.reviewBody));
                }

                if (review.reply > '') {
                    var replyDate = new Date(review.replyDate);
                    var replyDateString = replyDate.getDate() + " " + months[replyDate.getMonth()] + " " + replyDate.getFullYear();

                    thisReview = thisReview.replace(
                        '<!--reviewReplyTemplate-->',
                        replyTemplate
                            .replace('<!--replyText-->', review.reply)
                            .replace('<!--replyDate-->', replyDateString));
                }

                reviewContent += thisReview;
            });

            target.innerHTML = target.innerHTML.replace('<!--reviews-->', reviewContent).replace('<!--pageSize-->', reviews.length);
        }

        function tsReadAttributes(target) {
            return {
                pageSize: target.getAttribute("ts-page-size") || 20,
                position: target.getAttribute("ts-position") || "absolute", // fixed or absolute
                ratingsAbove: parseInt(target.getAttribute("ts-ratings-above")) || 0,
                exclude: target.getAttribute("ts-exclude") || "",
            };
        }

        function tsAddCssTag(url) {
            var includedAlready = tsCheckIfIncluded(url);
            var head = d.getElementsByTagName("head")[0];

            if (!includedAlready) {
                var tag = d.createElement("link");
                tag.rel = "stylesheet";
                tag.type = "text/css";
                tag.href = url;
                head.appendChild(tag);
            }
        }

        function tsCheckIfIncluded(file) {
            var links = d.getElementsByTagName("link");
            for (var i = 0; i < links.length; i++) {
                if (links[i].href?.substr(-file.length) === file)
                    return true;
            }

            var scripts = d.getElementsByTagName("script");
            for (var j = 0; j < scripts.length; j++) {
                if (scripts[j].src?.substr(-file.length) === file)
                    return true;
            }

            return false;
        }

        function tsSetStyle(element, value) {// Specific old IE
            if (document.all) {
                element.style.setAttribute('cssText', value);
            } else {
                element.setAttribute('style', value);
            }
        }

        function tsAddEventToMany(controls, eventName, action) {
            for (var i = 0; i < controls.length; i++) {
                controls[i].addEventListener(eventName, action);
            }
        }

        function tsSetArrowPosition(options) {
            var TSDropArrow = d.getElementById('ts-top-arrow');
            var TSDropArrowRect = TSDropArrow.getBoundingClientRect();

            var TSHeaderRect = d.getElementById('ts-review-drop-trigger').getBoundingClientRect();
            var TSStarsRect = d.getElementById('ts-stars').getBoundingClientRect();
            var TSDropRect = d.getElementById('ts-review-dropdown').getBoundingClientRect();

            var middle = TSStarsRect.left + (TSStarsRect.width / 2) - (TSDropArrowRect.width / 2);

            if (options.position === 'fixed') {
                tsSetStyle(TSDropArrow, 'left: ' + middle + 'px !important; top: ' + (TSHeaderRect.top + TSHeaderRect.height) + 'px !important;');
            } else {
                var arrowOffset = middle - TSDropRect.left;
                tsSetStyle(TSDropArrow, 'left: ' + arrowOffset + 'px !important;');
            }
        }

        var resizeTimer;
        function tsSetDropDownDimensions(options) {
            var screenWidth = w.innerWidth;
            var TSDrop = d.getElementById('ts-review-dropdown');
            var TSDropRect = TSDrop.getBoundingClientRect();
            var TSHeaderRect = d.getElementById('ts-review-drop-trigger').getBoundingClientRect();
            var TSDropArrowRect = d.getElementById('ts-top-arrow').getBoundingClientRect();
            var TSStarsRect = d.getElementById('ts-stars').getBoundingClientRect();

            var middle = TSStarsRect.left + (TSStarsRect.width / 2) - (TSDropArrowRect.width / 2);
            var dropTop = 'top: ' + (TSHeaderRect.top + TSHeaderRect.height + TSDropArrowRect.height) + 'px !important;';

            if (TSDropRect.width + 20 >= screenWidth) {
                tsSetStyle(TSDrop, 'left: 0 !important; right: 0 !important; ' + dropTop);
            } else if (middle <= (screenWidth / 3)) {
                // console.log("init left side " + middle);
                tsSetStyle(TSDrop, 'left: 20px !important; right: auto !important; ' + dropTop);
            } else if (middle > (screenWidth / 3) && middle <= ((screenWidth / 3) * 2)) {
                // console.log("init middle " + middle);
                tsSetStyle(TSDrop, 'left: ' + ((screenWidth / 2) - (TSDropRect.width / 2)) + 'px !important; right: auto !important; ' + dropTop);
            } else if (middle > ((screenWidth / 3) * 2)) {
                // console.log("init right side " + middle);
                tsSetStyle(TSDrop, 'left: auto !important; right: 20px !important; ' + dropTop);
            }

            clearTimeout(resizeTimer);
            resizeTimer = setTimeout(tsSetArrowPosition, 250, options);
        }

        function tsWireUp(options) {
           // var TSHeader = d.getElementById('ts-review-drop-trigger');
            var TSDrop = d.getElementById('ts-review-dropdown');
            var TSDropArrow = d.getElementById('ts-top-arrow');

            // position the dynamic elements according to header type
            var position = options.position === 'fixed' ? 'ts-fixed' : 'ts-absolute';
            TSDrop.classList.add(position);
            TSDropArrow.classList.add(position);

            //// create a hidden element to allow the mouse to transition between the header and the dynamic areas
            //var dummyDiv = d.createElement('div');
            //dummyDiv.id = "ts-style";
            //dummyDiv.classList.add("ts-review-drop");
            //dummyDiv.classList.add("ts-fixed")
            //dummyDiv.offsetLeft = TSHeader.offsetLeft;
            //dummyDiv.offsetWidth = TSHeader.offsetWidth;
            //dummyDiv.offsetTop = TSHeader.offsetTop + TSHeader.offsetHeight;
            //dummyDiv.offsetHeight = TSDropArrow.offsetHeight;
            //TSDrop.appendChild(dummyDiv);

            // set initial dimensions left to right
            tsSetDropDownDimensions(options);

            // wire up events
            var mouseAreas = d.querySelectorAll('.ts-review-drop');
            tsAddEventToMany(mouseAreas, 'mouseover', function (e) {
                TSDrop.classList.add('ts-drop-active');
                setTimeout(function () {
                    TSDrop.classList.add('ts-can-close');
                }, 600);
            });
            tsAddEventToMany(mouseAreas, 'mouseout', function (e) {
                TSDrop.classList.remove('ts-drop-active');
                TSDrop.classList.remove('ts-can-close');
            });
            d.getElementById('ts-mobile-close').addEventListener('click', function (e) {
                TSDrop.classList.remove('ts-drop-active');
                TSDrop.classList.remove('ts-can-close');
            });
            w.addEventListener('resize', function () { tsSetDropDownDimensions(options); });
        }
    })(window, document);