| 摘要 |
A mounting for an elongate heat exchanger 15 in a heater has at least two spaced mounts 2,3 at least one of which comprises a bracket 6 having a slot 8 in the direction of movement of the heat exchanger on thermal expansion and contraction, the slot being mounted on a support 7 to allow sliding so that clicking noises are reduced on warm-up and cooling. <IMAGE>
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