| 摘要 |
<p>An integrated heating system comprising, in combination, a discharge stack, a water heater comprising a first heating exchanger discharging into said stack and a combustion chamber including a first fuel burner supplying hot combustion products to said heat exchanger, a space heater comprising a second heat exchanger and a second fuel burner supplying hot combustion products to said second heat exchanger, and a connection from said second heat exchanger to said first combustion chamber for enabling flow of gaseous products from said space heater through said first heat exchanger to said stack.</p> |
