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see here.

see the picture. if it has the Plasric Pipe Gases Exhaust through side wall. and Condensation Piped to floor drain.then it is a high efficinecy.
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Replies, comments and Discussions:

  • 枫下家园 / 美丽家居 / 诚心请教:如何辨别家里的锅炉是高效的还是一般的?
    • see here.
      see the picture. if it has the Plasric Pipe Gases Exhaust through side wall. and Condensation Piped to floor drain.then it is a high efficinecy.
      • you are the best!
    • 高效炉最显著的特征是冬天工作时,有一根直径2英寸从炉子通向户外墙的塑料(排烟)管冒白烟(水蒸汽)。有些高效炉除排烟管外,还有一根塑料(进气)管连接炉子和户外墙。中效或普通炉排烟管是金属的,直径3英寸到4英寸。
      • respect!
    • 我家炉子有两根白色塑料管通向室外,应该一个进一个排,可是再炉子上有一个两寸直径的口,炉子工作的时候感觉往里面吸气,请问这个口是干啥的?