| 摘要 |
Apparatus for delivering hot water includes a vessel for releasably containing water and a heat generator compartment in heat transfer relation to the vessel. A conduit in the vessel circumscribes the exhaust funnel of the heat generator and has an inlet port in fluid communication with the vessel and an outlet port in fluid communication with the exterior of the vessel. An after-burner may be situated in the exhaust funnel in registry with the conduit and the conduit can be a coil arranged in spiral configuration.
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