22 35 00 Domestic Water Heat Exchangers
22 35 13 Instantaneous Domestic Water Heat Exchangers
22 35 13 Instantaneous Domestic Water Heat Exchangers 22 35 13.13 Heating-Fluid-in-Coil, Instantaneous Domestic Water Heat Exchangers 22 35 13.16 Domestic-Water-in-Coil, Instantaneous Domestic Water Heat Exchangers 22 35 13.19 Heating-Fluid-in-U-Tube-Coil, Instantaneous Domestic Water Heat Exchangers 22 35 23 Circulating, Domestic Water Heat Exchangers 22 35 23.13 Circulating, Compact Domestic Water Heat Exchangers 22 35 23.16 Circulating, Storage Domestic Water Heat Exchangers 22 35 29 Noncirculating, Domestic Water Heat Exchangers 22 35 29.13 Noncirculating, Compact Domestic Water Heat Exchangers 22 35 29.16 Noncirculating, Storage Domestic Water Heat Exchangers 22 35 36 Domestic Water Brazed-Plate Heat Exchangers 22 35 39 Domestic Water Frame-and-Plate Heat Exchangers 22 35 43 Domestic Water Heat Reclaimers