Gas rating

[adam brennan]

Hi there lads and lasses,

a question for the gas engineers,
i was told in college that a gas appliance has to be within 5% of the rating,
but someone told me you cannot properly gas rate a condensing boiler because of the modulating gas valve.

Any thoughts

 

[villa_tom]

Hi there lads and lasses,

a question for the gas engineers,
i was told in college that a gas appliance has to be within 5% of the rating,
but someone told me you cannot properly gas rate a condensing boiler because of the modulating gas valve.

Any thoughts

All new condensing boilers can be gas rated properly when they are put in to service mode to check combustion.

 

[adam brennan]

All new condensing boilers can be gas rated properly when they are put in to service mode to check combustion.

Cheers villa_tom , top guy, but your not spurs. Pity

 

[AWheating]

gareth bale smells of toe nail eggs.

its + 5% and -10%. theres a gas safe TB about it.

 

[adam brennan]

Cheers wheaty,

do you know what tb it is? And Gareth bale certainly does not smell, he is a legend. Lol.

 

[armourer]

tb= technical bullitin

Service mode or just turn on a tap to max the boiler.
If you open the bath tap max, its unlikely to modulate during the test.

 

[Simon F]

tb= technical bullitin
Service mode or just turn on a tap to max the boiler.
If you open the bath tap max, its unlikely to modulate during the test.

unless its a heat only, but fair point for a combi.:cheesy: