Search: Posts Made By: gundi
Showing results 1 to 1 of 1
Search took 0.00 seconds.
Replies: 4
Views: 631
Posted By gundi

Do boilers produce less heat output as they age?

I have a 1987 Vaillant gas boiler (80,000 BTU input) with cast iron heat exchanger. Would this boiler have used less gas than now to produce the same amount of hot water or heat (just house heating)?...
Showing results 1 to 1 of 1


 
Forum Jump