D E S I G N E D T O L E A D
BWC Series
Concentric Vent Component Descriptions
and Dimensional Data
WARNING: Improper installation, adjustment, alteration,
service or maintenance can cause property damage, injury,
or loss of life. Use this venting only on Crown BWC Series
boilers in accordance with the instructions provided with the
boiler.
Manufacturer of Hydronic Heating Products
P.O. Box 14818 3633 I. Street
Philadelphia, PA 19134
Tel: (215) 535-8900 • Fax: (215) 535-9736 • www.crownboiler.com
TABLE OF CONTENTS
Cuttable Straight 1
Non-Cuttable Straight 2
Telescoping Straight 3
45° Elbow 4
90° Standard Elbow 5
90° Sweep Elbow 6
90° Support Elbow with Chimney Chase Bracket 7
60/100 Horizontal Vent Kit 8
Horizontal Terminal 9
Vertical Terminal 10
Flat Roof Flashing 11
25°- 45° Sloped Roof Flashing 12
Locking Band 13
Support Band 13
80/125 Snorkel Kit 14
Concentric Vent Adapter Kit for BWC150/225 Boilers 15
Stainless Steel Vent Collar Kit (BWC070, 090 & 120) 16
Important Notes for all Components:
1) “Vent Size” denotes nominal inner and outer pipe diameters in millimeters.
For example “80/125” concentric components have an 80mm diameter
inner pipe and a 125mm diameter outer pipe.
2) Dimensions shown are rounded as follows:
a. Overall lengths (Dimensions ‘L’ ) are rounded to the nearest 1/2”
b. All other dimensions are rounded to the nearest 1/8”
Cuttable Straight
P/N Vent Size ‘L’
230506 60/100 19-1/2”
230517 80/125 19-1/2”
230515 80/125 39”
230560 100/150 19-1/2”
230562 100/150 39”
Note: Cut from male end only.
1
Non-Cuttable Straight
P/N Vent Size ‘L’
230505 60/100 39”
230504 60/100 78”
230518 80/125 39”
230519 80/125 78”
230561 100/150 39”
230563 100/150 78”
2
Telescoping Straight
P/N Vent Size ‘L’ Range
230525 80/125 12-1/2” to 16-1/2”
230564 100/150 12-1/2” to 17-1/2”
3
45° Elbow
P/N Vent Size
230508 60/100 4.0
230526 80/125 3.0
Equivalent
Length (ft.)
45° Elbow
P/N Vent Size
230565 100/150 3.0
Equivalent
Length (ft.)
4
90° Standard Elbow
P/N Vent Size ‘X’ ‘Y’
230507 60/100 4” 4-3/4” 4.5
230527 80/125 4-3/8” 5-3/8” 8.5
230566* 100/150 4-1/2” 5-1/2” 10.0
* Non-Stock Item
Note: Use of 230566 should be avoided due to high equivalent length. Use
100/150mm Sweep Elbow (230567) instead.
Equivalent
Length (ft.)
5
90° Sweep Elbow
P/N Vent Size ‘X’ ‘Y’
230528 80/125 7-3/8” 6-1/4” 5.5
230567 100/150 8-1/4” 7” 8.0
6
Equivalent
Length (ft.)
90° Support Elbow with
Chimney Chase Bracket
P/N Vent Size ‘X’ ‘Y’
230530 80/125 7-3/8” 6-1/4” 8.5
230568 100/150 8-1/4” 7” 10.0
7
Equivalent
Length (ft.)
60/100 Horizontal Vent Kit
P/N Vent Size
230500 60/100
8
Horizontal Terminal
P/N Vent Size
230531 80/125
230569 100/150
Note: Inner pipe is aluminum.
9
Vertical T erminal
P/N Vent Size ‘Y1’ ‘Y2’ ‘Y3’
230532 80/125 50” 19-1/2” 23”
230570 100/150 61” 28” 23”
Notes: 1. Requires fl at or sloped roof fl ashing
shown on following pages.
2. Inner pipe is aluminum.
10
Flat Roof Flashing
P/N Vent Size ‘D’
230533 80/125 15-3/8”
230571 100/150 17”
11
25°-45° Sloped Roof Flashing
P/N Vent Size
230535 80/125
230572 100/150
12
Locking Band
P/N Vent Size
230538 60/100
230537 80/125
230574 100/150
Support Band
P/N Vent Size
230536 80/125
230573 100/150
13
80/125 Snorkel Kit
P/N Description
230540 80/125 Snorkel Kit
Key # P/N Description
1 230541 Support Elbow
2 230542 Lower W all Bracket
3 230543 Air Intake Section
4 230544 Wall Bracket
5 230545 Terminal Elbow
6 230546 Exhaust T erminal
7 230527 Standard Elbow
8 230547 Wall Penetration Section
9 230537 Locking Band
* 230548 Outer Joint Gasket (2 provided)
14
Concentric Vent Adapter Kit
(BWC150/225 Boilers)
P/N
230550 BWC150 80/125
230555 BWC225 100/150
Concentric Vent
Adapter Kit
Vent Size
Key # BWC150
P/N
1 240513 240514 Stainless Vent Adapter
2 240470 240480 Intake Box Gasket
3 240471 240481 Air Intake Box
4 90-054 90-054 #10x3/4” Sheet Metal Screw
5 230539 230575 Concentric Condensate Collector
6 240552 240552 Condensate Collector Adapter
7 240555 240555 90° Hose Barb (2)
8 240557 240557 Clamp (2)
9 240560 240560 1/2” ID Clear Poly Tubing
10 240550 240550 Tapped Plug
BWC225
P/N
Description
15
Stainless Steel Vent Collar Kit
(BWC070, 090 & 120)
P/N Description
230510 Stainless Steel Vent Collar Kit
Note: Used on BWC070-120 in place of concentric
collar provided on boiler (see manual).
16
16
Manufacturer of Hydronic Heating Products
P.O. Box 14818 3633 I. Street
Philadelphia, PA 19134
Tel: (215) 535-8900 • Fax: (215) 535-9736 • www.crownboiler.com
PN: 980240
11/07
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