Assessments - 2, GPA: 4
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These units use indirect water-to-water heat transfer by circulating boiler-fed hot water through a coil inside the water tank. Ideal for applications that use boilers for space heating Whatever your hot water needs, there's a Bock, just right for you. é é é è7 year limited warranty on residential installations. S3 year limited warranty on commercial installations. C x/uw- durable and exclusive porcelain enamel glass lines all tanks and coils. Highly resistant to aggressive water. Not susceptible to damage due to the presence of chloride in the water, Automatic controls - i mmersion aquastat used in all models. Factory installed brass drain valve accessible, tamper-proof. Sediment reduction inlet - available on the 80SK and 119SK. Reduces sediment buildup on the tank bottom, increasing operating efficiencies and tank life. Built to last - Inner tank is hand-crafted from heavy gauge steel. Longer life equals a higher "Return on Investment". Outer jacket made from steel and powder coated for a lasting, durable finish. é 2” Non-CFC foam insulation - é Factory installed relief valve - CSA listed. decreases standby heat loss. é Factory installed dielectric nipples ^ on boiler connections - provides greater insulating protection. é 1-1/2” coil diameter- l arger diameter, results in higher recovery and less pressure drop through the coil, smooth surface on coil resists lime build up. Two magnesium anode rods - Inhibit corrosion and maximize tank life. Electrolysis attacks the anode rods, not the tank. Quality Crafted Hot Water Solutions! Indirect Coil Tank Water Heaters t . ' ^ / Residential/Light Commercial FIRST HOUR RATING (gal) @ Coil Output (Btu/hr) Model Actual Tank Volume (gal) First Draw (gal) Heat Source Friction Loss* (ft. w.c.) 180°F, 8 GPM** 180°F, 10 GPM** 180°F, 12 GPM** 200°F, 8 GPM** 200°F, 10 GPM** 200°F, 12 GPM** 30SK 30 25 2 110 @ 55,000 114 @ 57,000 117 @ 59,000 132 @ 69,000 136 @ 71,000 139 @ 73,000 40SK 38 33 3 153 @ 77,000 165 @ 84,000 177 @ 92,000 183 @ 96,000 195 @ 104,000 207 @111,000 50SK 45 40 3 160 @ 77,000 172 @84,000 184 @92,000 190 @ 96,000 202 @ 104,000 214 @ 111,000 80SK 75 70 5 200 @ 83,000 212 @91.000 224 @ 98,000 233 @ 104,000 245 @ 112,000 257 @ 119,000 119SK 110 102 5 232 @ 83,000 244 @ 91,000 256 @ 98,000 265 @ 104,000 277 @ 112,000 289 @ 119,000 All data obtained through testing in accordance with GAMA INDIRECT-FIRED WATER HEATER TESTING STANDARD IWH-TS-1_MARCH 2003 * At 8 GPM '■ Coil Input (temperature, flow rate). Ratings based on 77°F rise with 58°F inlet potable water. Note: First Hour Rating = First Draw + Continuous Draw WARNING: Installation should be in accordance with all national and/or local codes. In the absence of local codes, refer to NFPA 54 or ANSI 2.21.10.1. CAUTION: The recommended maximum hot water temperature setting for normal residential use is 120”F. Bock recommends a tempering valve or anti-scald valve be installed and used according to the manufacturer's directions to prevent scalding. Pressures (all): Test pressure, 300 psl; working pressure, 150 psi Standard Voltage (all): 120V, 60 Hz, 1P T&P valve installed * 4 4 110 South Dickinson Street 4 Madison, Wisconsin 53703 4 * Toll Free 800.794.2491 * Phone 608.257.2225 * Fax 608.257.5304 * 80021 revl 1-06...