The kinetic energy of the mass of exhaust gas carries it along the exhaust pipe, and causes a pressure build up ahead of the mass of gas and a partial vacuum behind it. This principle is used in a tuned exhaust system.
Culligan - $2352 ($2053 w/o R/O unit) Culligan Gold Series (10), Good Water Machine. If I were to look at price only, I would go with either the cheaper Ecowater system w/R/O at $2698 or the Culligan system. At almost $4k, the Kinetico system seems greatly over priced.
1-16 of 297 results for Hot Water Tank Prices. 1  Bosch T 2.5-Gallon Electric Mini-Tank Under Sink Water Heater. 2  Westbrass D271H-12 Velosah Single-Handle Hot Water Dispenser Faucet with Hot Water Tank, Oil Rubbed Bronze. 3  InSinkErator HC-WaveSN-SS Involve Series Wave Hot and Cold Water Dispenser with Stainless Steel Tank, Satin Nickel.