How to replace an old radiator without draining your system! #60seconddiy #diy #radiator #replace #newradiator #diyhome #diyproject #howto #guide #stepbystep #idea #inspo #inspiration #bathroom #bathroomproject #bathroomradiator #tilemountain #bathroommountain #bathroomdesign #bathroomrenovation #bathroomremodel | Mr and Mrs DIY