(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 = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
var accessToken = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbnRpdHlJZCI6IjFlNm9lNjJhIiwiZXhwIjoxNzczODM4OTYyLCJpc3MiOiJUcnVzdGlzdCIsImF1ZCI6IldpZGdldHMifQ.n3j38ly33Pkb5N1puPzxLPOzImeMDkrvpd1VeJEnr6A";
function start(f) { /in/.test(document.readyState) ? setTimeout(start, 5, f) : f(); }
tsAddCssTag("https://fonts.googleapis.com/css2?family=Poppins&display=swap");;
tsAddCssTag("https://widgetassets.trustist.com/css/cleanslate.css");
tsAddCssTag("https://widgetassets.trustist.com/css/sidebar.css?v=1.0.0");
w.trustist ??= {};
w.trustist.sidebar = {
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-sidebarWidget],div.ts-sidebarWidget");
if (!div) {
div = d.createElement('div');
div.setAttribute('ts-sidebarWidget', '');
d.body.appendChild(div);
}
if (div) {
tsDisplayWidget(div, businessKey, locationKey, tenantKey);
}
else {
}
}
};
start(w.trustist.sidebar.draw);
function tsDisplayWidget(target) {
// get options before cleanslate
var options = tsReadAttributes(target);
// draw the main template
var template = '
';
var theme = options.theme;
if (theme !== "white" && theme !== "blue" && theme !== "orange") theme = "white";
var buttonLogo = options.theme === "white" ? "TrustedBy-01.svg" : "TrustedBy-White-01.svg";
target.innerHTML = template
.replace(new RegExp("{{side}}", "g"), options.side)
.replace(new RegExp("{{theme}}", "g"), theme)
.replace(new RegExp("{{buttonLogo}}", "g"), buttonLogo)
.replace(new RegExp("{{buttonBottom}}", "g"), options.widgetBottom)
.replace(new RegExp("{{url}}", "g"), options.reviewPageUrl || "https://www.trustist.com/local-reviews/Website-Review-uk-boiler-fit-reviews-4328.html");
// 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(target, 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 = '
';
var replyTemplate = '';
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('', review.author.name)
.replace('', reviewDate)
.replace('{{rating}}', (review.reviewRating.ratingValue / 2).toFixed(1))
.replace('{{reviewStarsWidth}}', ((130 * review.reviewRating.ratingValue / review.reviewRating.bestRating).toFixed(0)))
.replace('', review.reviewBody);
if (review.reply > '') {
var replyDate = new Date(review.replyDate);
var replyDateString = replyDate.getDate() + " " + months[replyDate.getMonth()] + " " + replyDate.getFullYear();
thisReview = thisReview.replace(
'',
replyTemplate
.replace('', review.reply)
.replace('', replyDateString));
}
reviewContent += thisReview;
});
target.innerHTML = target.innerHTML.replace('', reviewContent).replace('', reviews.length);
}
function tsReadAttributes(target) {
return {
pageSize: target.getAttribute("ts-page-size") || 20,
side: target.getAttribute("ts-side") === "left" ? "left" : "right",
ratingsAbove: parseInt(target.getAttribute("ts-ratings-above")) || 0,
exclude: target.getAttribute("ts-exclude") || "",
theme: target.getAttribute("ts-theme") || "white",
reviewPageUrl: target.getAttribute("ts-reviews-url"),
widgetBottom: target.getAttribute("ts-widget-bottom") || 13.0625,
};
}
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 addClass(element, className) {
if (element.classList) {
element.classList.add(className); // Modern Browsers
} else {
var currentClassName = element.className;
if (currentClassName.indexOf(className) === -1) {
element.className += ' ' + className; // Older Browsers
}
}
}
function removeClass(element, className) {
if (element.classList) {
element.classList.remove(className); // Modern Browsers
} else {
var currentClassName = ' ' + element.className + ' ';
var classToRemove = ' ' + className + ' ';
if (currentClassName.indexOf(classToRemove) !== -1) {
element.className = currentClassName.replace(classToRemove, ' ').trim(); // Older Browsers
}
}
}
function isTouchDevice() {
return 'ontouchstart' in window || navigator.maxTouchPoints;
}
function closeOverlayHover(e) {
if (isTouchDevice()) return; // Skip hover-close on touch devices
var overlay = d.getElementById('ts-sidebar-overlay');
var overlayInner = d.getElementById('ts-sidebar-overlay-inner');
var overlayPopoverLink = d.getElementById('ts-sidebar-read-more-reviews-btn');
removeClass(overlayInner, 'ts-sidebar-overlay-inner-visible');
removeClass(overlayPopoverLink, 'ts-sidebar-read-more-reviews-btn-visible');
overlayInner.addEventListener(
'transitionend',
function () {
removeClass(overlay, 'ts-sidebar-overlay-visible');
},
{ once: true }
);
}
function closeOverlayClick(e) {
var overlay = d.getElementById('ts-sidebar-overlay');
var overlayInner = d.getElementById('ts-sidebar-overlay-inner');
var overlayPopoverLink = d.getElementById('ts-sidebar-read-more-reviews-btn');
if (e.target === overlay || e.target.closest('.ts-sidebar-overlay-close-btn')) {
removeClass(overlayInner, 'ts-sidebar-overlay-inner-visible');
removeClass(overlayPopoverLink, 'ts-sidebar-read-more-reviews-btn-visible');
overlayInner.addEventListener(
'transitionend',
function () {
removeClass(overlay, 'ts-sidebar-overlay-visible');
},
{ once: true }
);
}
}
function openOverlay() {
var overlay = d.getElementById('ts-sidebar-overlay');
var overlayInner = d.getElementById('ts-sidebar-overlay-inner');
addClass(overlay, 'ts-sidebar-overlay-visible');
addClass(overlayInner, 'ts-sidebar-overlay-inner-visible');
}
function handleShowOverlayPopover() {
var overlayPopoverLink = d.getElementById('ts-sidebar-read-more-reviews-btn');
overlayPopoverLink.classList.add('ts-sidebar-read-more-reviews-btn-visible');
}
function tsWireUp(options) {
var button = d.getElementById('ts-sidebar-button');
var overlayInner = d.getElementById('ts-sidebar-overlay-inner');
var overlayCloseBtn = d.getElementById('ts-sidebar-overlay-close-btn');
if (isTouchDevice()) {
button.addEventListener('click', openOverlay);
} else {
button.addEventListener('mouseover', openOverlay);
overlayInner.addEventListener('mouseleave', closeOverlayHover);
}
overlayCloseBtn.addEventListener('click', closeOverlayClick);
overlayInner.addEventListener('scroll', handleShowOverlayPopover);
}
})(window, document);
