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Crown Boiler Concentric Venting BWC150/225 - page 1
BWC150/225 CONCENTRIC VENTING INST ALLA TION INSTRUCTIONS These instructions must be af fi xed on or adjacent to the boiler . Models: • BWC150 • BWC225 W ARNING : Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury , or loss of life. For assistance or additional information, con- sult a quali ...
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Crown Boiler Concentric Venting BWC150/225 - page 2
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Crown Boiler Concentric Venting BWC150/225 - page 3
T able of Contents A. Concentric V ent System Design 2 B. Concentric V ent Adapter Kit Installation 9 C. Assembly of Crown Concentric V enting and Condensate Drain 1 1 1 ...
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Crown Boiler Concentric Venting BWC150/225 - page 4
W ARNING F AILURE TO VENT THIS BOILER IN ACCORDANCE WITH THESE INSTRUCTIONS COULD CAUSE FLUE GAS T O ENTER THE BUILDING RESUL TING IN SEVERE PROPER TY DAMAGE, PERSONAL INJUR Y , OR DEA TH: * Do not attempt to vent this boiler with galvanized, PVC, or any other vent components not listed in T able 1.6. * Do not attempt to mix components from differe ...
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Crown Boiler Concentric Venting BWC150/225 - page 5
3 Example: A 80/125mm concentric vent system is planned for a horizontally vented BWC150 which has the following components: Standard Radius 90° Elbow 5ft Straight Pipe Standard Radius 90° Elbow 1-1/2ft Straight Pipe 45° Elbow Uncut T erminal Section The V ent Option #3 column in T able 1.1 describes a horizontal direct vent system using 80/125m ...
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Crown Boiler Concentric Venting BWC150/225 - page 6
4 T ABLE 1.1: SUMMAR Y OF HORIZONT AL VENTING OPTIONS VENT OPTION # 3 4 CLASSIFICA TION USED IN THIS MANUAL HORIZONT AL CONCENTRIC HORIZONT AL CONCENTRIC ILLUSTRA TED IN FIGURE 1.2 1.2 VENT PIPE PENETRA TION THROUGH STRUCTURE W ALL W ALL AIR INT AKE PIPE PENETRA TION THROUGH STRUCTURE W ALL W ALL VENT PIPE SIZE 80/125 mm CONCENTRIC 100/150 mm CONCE ...
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Crown Boiler Concentric Venting BWC150/225 - page 7
5 FIGURE 1.2: HORIZONT AL CONCENTRIC VENTING (VENT OPTION 3,4) 6) Permitted T erminals for V ertical V enting - • V ent Option 8 - Use Crown PN 230532 with the appropriate fl ashing (T able 1.6a) • V ent Option 9 - Use Crown PN 230570 with the appropriate fl ashing (T able 1.6b) 7) V ertical V ent T erminal Locations (V ent Options 8,9) - Obs ...
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Crown Boiler Concentric Venting BWC150/225 - page 8
6 FIGURE 1.3a: LOCA TION OF VENT TERMINAL RELA TIVE T O WINDOWS, DOORS, GRADE FIGURE 1.3b: LOCA TION OF VENT TERMINAL RELA TIVE T O METERS AND FORCED AIR INLETS FIGURE 1.3c: POSITIONING VENT TERMINAL UNDER OVERHANGS ...
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Crown Boiler Concentric Venting BWC150/225 - page 9
7 T ABLE 1.5: SUMMAR Y OF VER TICAL VENTING OPTIONS VENT OPTION # 8 9 CLASSIFICA TION USED IN THIS MANUAL VER TICAL CONCENTRIC VER TICAL CONCENTRIC ILLUSTRA TED IN FIGURE 1.7 1.7 VENT PIPE PENETRA TION THROUGH STRUCTURE ROOF ROOF AIR INT AKE PIPE STRUCTURE THROUGH STRUCTURE ROOF ROOF VENT PIPE SIZE 80/125 mm CONCENTRIC 100/150 mm CONCENTRIC AIR INT ...
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Crown Boiler Concentric Venting BWC150/225 - page 10
8 T ABLE 1.6b: CROWN CONCENTRIC100/150 VENT COMPONENTS (VENT OPTIONS 8,9) CROWN PN DESCRIPTION SIZE USED ON VENT OPTION # COMMENTS 230567 90 DEGREE EL (SWEEP) 100/150mm 4,9 230565 45 DEGREE EL 100/150mm 4,9 230560 19 1/2” STRAIGHT 100/150mm 4,9 CAN BE CUT 230562 39” STRAIGHT 100/150mm 4,9 CAN BE CUT 230561 39” STRAIGHT 100/150mm 4,9 MA Y NOT ...
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Crown Boiler Concentric Venting BWC150/225 - page 11
9 FIGURE 1.7: VER TICAL CONCENTRIC VENT SYSTEM (VENT OPTION 6) B . Concentric V ent Adapter Kit Installation 1) The Concentric V ent Adapter Kits include: Where the use of “silicone” is called for in the following instructions, use GE R TV106 for the vent adapters and any general-purpose silicone sealant such as GE R TV102 for the air inlet pip ...
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Crown Boiler Concentric Venting BWC150/225 - page 12
10 e) On the male end of the stainless vent adapter , apply a ¼” wide bead of silicone approximately 1/2” from the end of the pipe. f) Insert the male end of the stainless vent adapter into the boiler vent collar until it bottoms out. g) Apply an additional bead of silicone over the outside of the joint and smooth out. h) Replace and tighten t ...
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Crown Boiler Concentric Venting BWC150/225 - page 13
C. Assembly of Crown Concentric V enting W ARNING Failure to follow the instructions could r esult in fl ue gas leakage into the combustion air or indoor air , resulting in unsafe or unreliable operation. • Do not lubricate concentric gaskets with anything other than water . • Do not attempt to cut any piping except as permitted in this sectio ...
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Crown Boiler Concentric Venting BWC150/225 - page 14
a) Determine the required length of the outer pipe. When doing this allow an additional 1” of length for insertion into the female end of the adjoining pipe. Mark the cut line on the outer pipe. b) Remove the plastic inner pipe by pulling it out from the female end. c) Cut the OUTER PIPE ONL Y at the point marked in Step (a) using aviation shears ...
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Crown Boiler Concentric Venting BWC150/225 - page 15
a) Start assembly of the vent system at the boiler . Lubricate the brown gasket in the boiler vent collar with a few drops of water . b) Push the male end of the fi rst fi tting into the boiler collar until it bottoms out. The male end of cuttable sections should go 1” into the collar until the insertion mark (made in Step 2d above) is covered. ...
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Crown Boiler Concentric Venting BWC150/225 - page 16
a) Cut a 5-1/2” diameter hole through the exterior wall at the planned location of the horizontal terminal. b) Measure distance “L” from the outside surface of the exterior wall to the end of the last fi tting as shown in Figure 1.12a. c) Add 1-1/4” to distance “L”. Carefully mark this length on the pipe as shown in Figure 1.12b. d) Re ...
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Crown Boiler Concentric Venting BWC150/225 - page 17
FIGURE 1.12c: CUTTING INNER PIPE OF HORIZONT AL TERMINAL FIGURE 1.12d: COMPLETING HORIZONT AL TERMINAL INST ALLA TION 15 ...
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Crown Boiler Concentric Venting BWC150/225 - page 18
6) V ertical T erminal Installation - In addition to the vertical terminal, either a Flat Roof Flashing (80/125 PN 230533, 100/150 PN 230571) or Sloped Roof Flashing (80/125 PN 230535, 100/150 PN 230572) is required for this installation. a) Determine the center line of the terminal location on the roof. If the roof is fl at, cut a 5-1/2” diamet ...
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Crown Boiler Concentric Venting BWC150/225 - page 19
17 FIGURE 1.13b: CUTTING VER TICAL TERMINAL FIGURE 1.13c: COMPLETING VER TICAL TERMINAL INST ALLA TION ...
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Crown Boiler Concentric Venting BWC150/225 - page 20
18 FIGURE 1.14: CHIMNEY CHASE INST ALLA TION W ARNING • Do not attempt to construct a vertical vent system inside a chimney that is used to vent a fi replace or other appliances. • Do not attempt to construct a vertical vent system inside a chimney fl ue adjacent to another fl ue used by a fi replace or other appliances. ...
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Crown Boiler Concentric Venting BWC150/225 - page 21
19 8) Condensate Drain Line - In systems where a concentric vent is used, all condensate which forms in the boiler or vent system collects in both the condensate vent adapter and the sump under the heat exchanger and leaves the boiler through the condensate trap. This trap allows condensate to drain from the boiler and vent while retaining fl ue g ...
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Crown Boiler Concentric Venting BWC150/225 - page 22
Manufacturer of Hydronic Heating Products P .O. Box 14818 3633 I. Street Philadelphia, P A 19134 T el: (215) 535-8900 • Fax: (215) 535-9736 • www .crownboiler .com PN: 980241 Rev . 0 BWC - 12/07 ...
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