21 ms·
On mechanical blueprints, HWS is the acronym I see used for hydronic heating, and DHW is what I see used for domestic hot water. I’m unsure what the OP meant.
by quickthrowman 3y ago
On mechanical blueprints, HWS is the acronym I see used for hydronic heating, and DHW is what I see used for domestic hot water. I’m unsure what the OP meant.