Any water heaters with built-in exchanger?

Discussion in 'Water Heater Forum, Tanks' started by farmer_dave, Feb 14, 2012.

  1. farmer_dave

    farmer_dave Farmer in PA

    Nov 26, 2009
    I've been looking for a reasonably priced propane fired WH with built-in heat exchanger for DHW and closed circuit heating, did I miss it? The BW PDX2 and AO Vertex have side taps, but I would need additional flat plate exchanger to hook into my heating loop. Is there a model that includes the internal HX for less than $2000?

  2. Dana

    Dana In the trades

    Jan 14, 2009
    Not for less than $2K.

    You might find an ~80% efficiency BW Combi-2 for around $2K but at current propane prices it's well worth going to a condensing system, even if it's a DIY design off a Vertex.
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