QG-10l tinned heat exchanger

Double-channel wall-mounted furnace heat exchanger

Single-channel wall-mounted furnace heat exchanger

245x28mm heat exchanger

Six rows of burners

95x18mm heat exchanger

112x19mm_1.34kw heat exchanger

112x19mm heat exchanger

121x19mm_1.73kw heat exchanger

Four rows of burners

245x28mm heat exchanger

The brass