Hi all,
When both the boiler and gas fire were first fired up last weekend the
burners were very noise and the flame burned yellow.

With CO poisoning in mind, we kept the van well ventilated throughout the
following fiddling and for some time after normal burning was achieved.

The boiler started burning normally after slight fiddling with the
autochange over valve (the gas flow sounded irregular when listening to the
valve and very slight movement of the changeover dial altered the noise) -
the boiler operated perfectly after this.

When we first lit the fire we had the same noisy yellow flame but fiddling
the valve had no effect - turning off and reigniting the fire brought back a
normal burn.

It's a second-hand van which was reconnected and checked by a gas engineer
two weeks ago and we had no problems on the first weekend.

We will get site maintenance to check out the supply next weekend but I
would welcome an explanation to this sudden strange behaviour.

cheers

Andy

f2s wrote:
Hi all,
When both the boiler and gas fire were first fired up last weekend the
burners were very noise and the flame burned yellow.

Andy

Could be 'dirty' gas. Change the bottle and see if the flames get normal.
The air inlet pipes underneath the stove could be filled with dust or spider
web also.

--
Regards, Bert W
www.whattowcar.com