Looks like wordpress is redirecting one of them:
curl -Iki http://www.floheating.co.uk/
HTTP/1.1 200 OK
Date: Tue, 12 Jan 2021 17:46:51 GMT
Server: Apache/2.4.41 (Ubuntu)
Link: <http://www.floheating.co.uk/wp-json/>; rel="https://api.w.org/"
Link: <http://www.floheating.co.uk/wp-json/wp/v2/pages/861>; rel="alternate"; type="application/json"
Link: <http://www.floheating.co.uk/>; rel=shortlink
Content-Type: text/html; charset=UTF-8
curl -Iki http://floheating.co.uk/
HTTP/1.1 301 Moved Permanently
Date: Tue, 12 Jan 2021 17:46:58 GMT
Server: Apache/2.4.41 (Ubuntu)
X-Redirect-By: WordPress
Location: http://www.floheating.co.uk/
Content-Type: text/html; charset=UTF-8