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Bock Water heaters 20PP - page 1
TO THE CONSUMER: Read these and all com- ponent instructions. Please keep for future reference. Please re- member to return the registration card. W aranty , registration card & parts list included. TO THE INST ALLER: Please attach these in- structions next to the w ater heater . BOCK RESIDENTIAL OIL-FIRED W A TER HEA TERS Model numbers: 20e, 2 ...
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Bock Water heaters 20PP - page 2
–2– THIS MANUAL HAS BEEN PREP ARED T O ACQUAINT YOU WITH THE INST AL- LA TION, OPERA TION, AND MAINTENANCE OF YOUR W A TER HEA TER AND T O PROVIDE IMPOR T ANT SAFETY INFORMA TION. Read all instructions thoroughly before attempting installation or operation of the water heater . Keep these and all component instructions for future reference. The ...
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Bock Water heaters 20PP - page 3
The drain valve fitting may be used as an alternate cold water inlet on heaters equipped with a dip tube, as shown in Figure 3. By plumbing a “T” into the drain fitting, the cold water inlet can be re lo cated to this point. The dip tube must be removed and its fitting plugged. Figure 3 also shows a copper loop heat trap installed on the hot wa ...
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Bock Water heaters 20PP - page 4
–4– Inspect the incoming water line for check valves or water pressure reducing v alves. Any type of check valve may cause pressure to build up in the heater and cause tank failure. If the heater is installed in a closed system or if backflow pre- v enters and pressure regulators are installed, add an expansion tank. Do not try to heat hard wat ...
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Bock Water heaters 20PP - page 5
–5– PLACE THE W A TER SYSTEM IN OPERA TION Warning: Handhole cover may loosen during shipping – check for tightness before putting heater in operation. For any horizontal run exceeding the maximum length specified in Figure 4, or any lift of more than 10 feet, a booster pump must be used. Booster pumps may b e obtained from Sun T ec Hydraulic ...
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Bock Water heaters 20PP - page 6
–6– 5 . While the burner is operating, disconnect one of the yellow cad cell wires. Check to see that the burner control locks out in the time specified on the control. R eattach the wire and reset the control. The burner should restart. Note: Y ou may have to wait a minute before resetting the control. 6. The thermostat is factory set at 120° ...
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Bock Water heaters 20PP - page 7
–7– SERVICE 1. Check the fuel supply , electrical wiring and fuses, and make sure temperature c ontrol is calling for heat. 2. If the motor runs but there is no flame, remove the electrode assembly , clean, readjust to the burner manufacturer ’s specifications, check the electrode porce- lain for cracks and replace if necessary . Check the tr ...
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Bock Water heaters 20PP - page 8
L4080B L4006A FIGURE 8 : Honeywell L4006A w/ L8080B For Models: 50, 120E FIGURE 6 : Beckett or Wayne burner w/ Carlin EZ-T emp F or Models: 32, 33, 40, 50, 51, 71, 120E FIGURE 7 : Honeywell L4103A-1 142 For Models: 32, 33, 40, 51, 71E FIGURE 7 NOTES: Set point 120 ° FIGURE 4 NOTES: High limit: 190 ° Aquastat: 120° set point 15 ° dif ferential ? ...
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Bock Water heaters 20PP - page 9
–9– ITEM DESCRIPTION 1. Cold W ater Inlet Dip T ube (N/A 33E & 40E) 2. Plastic Cap 3. Magnesium Anode Rod (aluminum avaliable) 4. Name Plate/Rating Label 6. Immersion W ell & Aquastat 8. Drain V alve 9. Mounting Bracket Gasket 10. Burner Mounting Bracket (part of jacket assembly on Models 20e, 32E through 51 Series; sold separately on 7 ...
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Bock Water heaters 20PP - page 10
– 10 – LIMITED W ARRANTY This warranty covers “Bock” W ater Heater models 20e, 20pp, 32E, 32EC, 32PP , 32PPC, 33E, 33PP , 40E, 40PP , 50ES, 50ESC, 51E, 51EC, 51PP , 51PPC, 71E and 120E. Bock W ater Heaters, Inc., a division of Bock Corporation–a Wisconsin corporation–at 1 10 South Dickinson Street, Madison, WI 53703 (“Company”), war ...
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Bock Water heaters 20PP - page 11
– 11 – BOCK BURNER MODEL/ MAX MODEL MAX MODEL (OIL) MFR. OEM # INPUT OEM # INPUT 32E, 32EC, 33E W A YNE MSR/371-001B 0.75 X 80A 32PP , 32PPC W A YNE HS/371-009HS 0.75 X 80A 40E W A YNE MSR/371-030B 0.90 X 70A 5IE, 51EC W A YNE MSR/371-003B 1.10 X 80A 50ES, 120E W A YNE MSR/371-029B 1.10 X 80A 51PP , 51PPC W A YNE HS/371-01 1HS 1.10 X 80A 71E W ...
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Bock Water heaters 20PP - page 12
– 12 – Bock W ater Heaters, Inc. 1 10 South Dickinson Street • P .O. Box 8632 • Madison, WI 53708-8632 Phone: 608/257-2225 • Fax: 608/257-5304 • www .bockwaterheaters.com Form 23420 Rev 4 3/2007 ...
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