Solar Tanks
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QFS 1 solar tanks are single-coil (monovalent, with one heating coil), meaning...
QFS 2 solar tanks are dual-coil (bivalent, with two tube heat exchangers), meaning...
The QFS 1 solar tanks are monovalent (with one heating coil), i.e. only one...
QFS 1 solar tanks are monovalent (with one heating coil), i.e. only one external...
QFS 2 solar tanks are bivalent (with two tube exchangers), i.e. several external...
The QFS 2P tanks with two high-output heat exchangers can be connected to two heat...
The QFS 2P tanks with two high-performance heat exchangers can be connected to two...
The QFS 2 solar tanks are bivalent (with two tube heat exchangers), i.e. several...
The QFS 2P tanks with two high-output heat exchangers can be connected to two heat...