If a bathroom has:
a) one toilet,
b) one basin (with mixer tap),
c) one bath with mixer bath filler,
d) one hand shower, and,
e) one shower over bath,
how many single check valves and/or double check valves are required? A combi boiler is used in case that makes any difference.
Thanks.
a) one toilet,
b) one basin (with mixer tap),
c) one bath with mixer bath filler,
d) one hand shower, and,
e) one shower over bath,
how many single check valves and/or double check valves are required? A combi boiler is used in case that makes any difference.
Thanks.