THE NUMBER 1 RULE OF PLUMBING…. (Every PLUMBER needs to know this!)

I tell you THE NUMBER 1 RULE OF PLUMBING in this video, one that every plumber needs to know from day one.... AND we also have to swap 18 thermostatic radiator valves on a heating system running Tado units to control the system, draining it down may be the tricky part to swapping the valves over but i will show you how to do it the easy way. I will show you a little plumbing trick, if it works, to save alot of time on this plumbing job #plumbing #plumber #howto 00:00 Introduction 00:49 Overview of this plumbing job 03:02 Plumbing tip to draining a heating system 03:33 Plumbing tools for this job 03:47 Changing the first Thermostatic radiator valve 06:13 Swapping the radiator valves 09:29 Plumbing golden rule all plumbers should know 11:17 The one with all the water in 13:47 The last radiator valve to change 17:14 Filling and testing the heating system Massive Thankyou to my channel sponsor UNILITE…. To save 25% on all Unilite orders type “MJTIFF” at checkout https://unilite.co.uk/ Also check out the Trade Legends YouTube channel- https://youtube.com/c/TradeLegends And head to the Trade Legends site for some massive discounts https://tradelegends.uk/ Also I’m now proud to say I’m working along side “BigBoots”…. A family run workwear company from the UK…. So if your after some boots/work wear etc tv… go check them out👍🏼👍🏼…. And use my code “MJTIFF10” for 10% off all purchases https://www.bigboots.co.uk/?ref=MJTIFF10