Heat Exchangers: Copper versus Tempered Steel Numerous HVAC machines have a part that is known as a "heat exchanger." They come in many structures, yet it is the metal that forms you're heat exchanger that frequently makes one of the greatest effects. What this piece of metal does is move heat from one liquid (e.g., high temp water in your water warmer) to another (e.g., home-grown water...

SECTION 6 – ACCURACY OF BILLING AND ACCOUNT INFORMATION We reserve the right to refuse any order you place with us. We may, in our sole discretion, limit or cancel quantities purchased per person, per household or per order. These restrictions may include orders placed by or under the same customer account, the same credit card, and/or orders that use the same billing and/or shipping...