pastillas para empalmarse

  • Navien primary condensing stainless steel heat exchangers
    Navien primary condensing stainless steel heat exchangers
    Added: 2018-06-29 | Category: boiler service | Comments: 0

    Navien primary condensing stainless steel heat exchangers recover extra heat that would be lost in non-condensing tankless heaters to reduce energy consumption and co₂ emissions that keeps exhaust temperatures very low — so low that economical schedule 40 pvc pipe can be used for venting in almost all.


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