As far as I can tell these were provided with the heater so one would presume they are good? They are connected to two pipe stubs coming up through the floor to what was probably a radiator. The radiator valves have been removed two compression elbows and short pipes added to which the flexible hoses are attached. The shut off valves are in the flexible hoses and are right behind the heater. I cannot replace the flexible hoses without removing kitchen cupboards and draining down neither of which I particularly want to do now but rather when the kitchen is replaced.

Richard