Learn on DVD How to Install Residential Hot Water Boilers Oil and Gas Boilers, How to for Indirect Hot Water Tanks, How to Plumb with Copper and Pex, Learn how to Install Honeywell Zone Valves. Learn were everything goes and watch in step by step details, Made for the average person to fully understand. See Reviews on Ebay just type in Furnace or Hot Water Boiler 1st How to dvds in the USA and Very Well Known !!! On Sale ! See them at WWW.TheBoilerMan Dot Biz Many on sale until Oct 1st 2010 See My Ebay Reviews, There is a link on my website that will take you to Ebay were you can see what everyone is saying, I have many titles and these dvds are just a 27yr experienced heating and plumbing guy helping the general public learn how to with heating systems, Just me, No actors, No class room talking, See how all is done on the job and in step by step details. No Sept 2010 i now have a 2 dvd set for installing boilers Oil and Gas, 2nd dvd added is more details on Super High Efficient wall hung gas boilers, Demo on Buderus GB142 and Cat #1 natural chimney vent boiler details. Total of 4hrs You ask for more Gas Boiler Install details well here you go, Visit my website and get it while on sale! Sale End Oct 1st 2010