{"version":"1.0","provider_name":"","provider_url":"https:\/\/installateurszaken.nl","author_name":"admin","author_url":"https:\/\/installateurszaken.nl\/index.php\/author\/rstruijk\/","title":"Keerkleppen -","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"doNVFCDAjN\"><a href=\"https:\/\/installateurszaken.nl\/index.php\/2020\/06\/18\/keerkleppen\/\">Keerkleppen<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/installateurszaken.nl\/index.php\/2020\/06\/18\/keerkleppen\/embed\/#?secret=doNVFCDAjN\" width=\"600\" height=\"338\" title=\"&#8220;Keerkleppen&#8221; &#8212; \" data-secret=\"doNVFCDAjN\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/installateurszaken.nl\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":null,"thumbnail_width":null,"thumbnail_height":null,"description":"JAARLIJKSE CONTROLES ZIJN EEN MUST Regelmatig valt het Ron Bosch op dat installateurs moeite hebben om keerkleppen op de juiste manier te plaatsen in drinkwaterinstallaties. In dit artikel legt de adviseur en HBO-docent Installatietechniek uit wat er zoal misgaat en op welke manieren je als installateur de jaarlijkse controle van keerkleppen correct kan uitvoeren."}