Terms
23 new/unreviewed 23 total
Term
water regulation
Definition
British standards 8558
New/Unreviewed
Term
direct system
Definition
-contains back boiler -contains hot water immersion heater
New/Unreviewed
Term
in-direct system
Definition
-single feed ,self venting -double feed with hot water heating cooler
New/Unreviewed
Practice Tests
0 total
(None) Completed practice tests will show up here