On Tue, 29 Nov 2016 02:48:19 -0000, John Rumm wrote:

On 27/11/2016 18:44, James Wilkinson Sword wrote:
On Sun, 27 Nov 2016 15:55:53 -0000, The Natural Philosopher


When this happened to a mates boiler, it was simply the pressure vessel
needed pumping up.

Ah the wonders of the traditional gravity fed top up tank.... If I lose
a bit of water I simply don't give a damn!

You will when the system corrodes away due to fresh O2 entering it all
the time, and dry rot eats your house with the constant supply of water
to feed it.

In 16 years I've had precisely one dripping tap and one failed thermocouple. With no servicing.

--
It is impossible to hold a sandwich between your elbows and eat it.