Highly visual, hands-on resource for apprentices and qualified tradespeople.drain plug 76 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Stop valve Timber floor surface Insulation to ... For example, Combined stop and drain valve if a house is unoccupied over winter, the system should be drained to prevent frost damage. ... In the diagram, the drain valves are located to avoid submergenceanbsp;...
|Title||:||Plumbing Illustrated Dictionary|
|Publisher||:||Heinemann - 2007|