1.0ABLE Heat and Cool - HVAC Bloghttps://www.ableheatcool.biz/hvac-blogrich600338<blockquote class="wp-embedded-content" data-secret="lRYJL7Z7ss"><a href="https://www.ableheatcool.biz/hvac-blog/heating-equipment-limit-switches/">Heating Equipment Limit Switches</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.ableheatcool.biz/hvac-blog/heating-equipment-limit-switches/embed/#?secret=lRYJL7Z7ss" width="600" height="338" title="“Heating Equipment Limit Switches” — ABLE Heat and Cool - HVAC Blog" data-secret="lRYJL7Z7ss" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); //# sourceURL=https://www.ableheatcool.biz/hvac-blog/wp-includes/js/wp-embed.min.js /* ]]> */ </script> 1) What’s a Limit Switch? Limit switches are components in every piece of heating equipment, be it gas furnaces or air handlers with electric heat. 2) Are Limit Switches Important? Yes, especially the high limit switch.  It’s named appropriately and is a safety measure to turn off the gas furnace or AHU with electric heat strips if the temperature inside the unit goes above the degree limit of the switch.  Example: 160* degree limit switch is in place; the blower … Continue readinghttps://www.ableheatcool.biz/hvac-blog/wp-content/uploads/Bryant-Furnace-3.jpg