Weil-McLain Ultra Series 3 Quick Start Manual page 4

QUICK-START QUICK-START
Material checklist — vent and air piping
Standards for installations in:
Items Material
United States
Plastic piping materials
PVC schedule 40 ANSI/ASTM D1785
Vent or air
PVC-DWV ANSI/ASTM D2665
pipe
CPVC schedule 40 ANSI/ASTM F441
&
fittings
ABS-DWV schedule
ANSI/ASTM D2661
40
PVC ANSI/ASTM D2564
PVC & ABS
pipe
CPVC ANSI/ASTM F493
cement &
primer
ABS ANSI/ASTM D2235
AL29-4C piping materials
Heat Fab, Inc.
Saf-T-Vent ®
Certified for
Vent pipe
Category IV
AL29-4C Z-Flex, Inc.
and direct vent
stainless Z-Vent II
appliance
steel
Protech Systems
FasNSeal™
AL29-4C vent piping — Install a PVC-to-stainless adapter
supplied by the vent pipe manufacturer at the boiler vent
connection and at the termination (when using Weil-
McLain plate or concentric PVC termination). DO NOT
mix piping from different vent pipe manufacturers unless
using adapters specifically designed for the purpose by
the manufacturer.
Plastic piping — Do not attempt to connect different
types of plastic piping together.
Do not use cellular core pipe for vent or air piping.
Items required for:
Sidewall with Weil-McLain Plate
• W-M sidewall term. kit 3"
4"
Includes W-M sidewall vent/air termination cap and
inside/ outside cover plates and mounting hardware;
openings are sized for PVC pipe.
3" cap is shipped with Ultra-80–155.
4" cap is shipped with Ultra-230–399.
Sidewall with separate pipes
Inside and outside cover plates and mounting
hardware supplied with boiler can be used at wall
penetrations if size is the same as the pipe used.
• Bird screens * 3"
4"
* For 2" pipe, trim 3" bird screen to size
Vertical with separate pipes
• Bird screens (see note) 3"
4"
* For 2" pipe, trim 3" bird screen to size
• Coupling (1)
• 180-degree return bend (1)
3" PVC concentric termination, sidewall or vertical
• Concentric termination kit, 3"
• Reducers: 3"x2" 4"x3"
NOTE: Also obtain all required flashings, boots, thimbles, fire stops or
other items required for wall, ceiling and roof penetrations.
Fold out the opposite page to see venting details.
Canada
Plastic vent
pipe must be
certified to UL
S636 when
required.
Air pipe can be
any of those
listed at left if
acceptable for
80/105
local codes.
Certified for
Category IV
and direct vent
appliance
venting venting
Equivalent feet for elbows — deduct from maximum equivalent length of piping:
• 7 feet per for each 4-inch elbow & 2 or 3-inch 90° long-radius or 45° elbow
• 16 feet for each 2- or 3-inch short-radius elbow
a — Use 3"x2" reducer at boiler
c — Use 4"x3" reducer at boiler
Stainless (AL29-4C) vent pipe — install an adapter at the boiler for all applications.
Also install an adapter at the termination unless using separate-pipe termination.
** Ultra-80 and 105 boilers installed with 2-inch vent piping automatically derate due
W-M P/N QTY
✔
383-500-397
1
383-500-398
Material —
Size —
ITEM
Straight pipe
Elbows, 90-degree
Couplings
Return bend, 180-degree
383-500-105
2 Reducers:
383-500-110
383-500-105
2
Product —
383-500-110
Size —
Add to the table at right ITEM
Add to the table at right Straight pipe
Adjustable lengths
Elbows, 90-degree
383-500-350 1
Termination elbows (with integral screen), when req'd
Add to the table at right
Elbows, 45-degree
Adapter at boiler (to fit diameter of boiler connection)
Adapter at termination, if required
3 3
• Allowable pipe sizes of vent/air piping
• Maximum equivalent feet of each
• Number of elbows allowed at these lengths
(All applications include allowance for the termination.)
Sidewall Sidewall
with
W-M Plate separate
Length Ells Length
2" ** 100 2 100
(ab)
3" 100 2 100
155 3" 100 2 100
3" 30 2 30
(c)
230
4" 100 2 100
(d)
299 4" 100 2 100
399 4" 100 2 100
to the pressure loss in the vent and air piping. The derate ranges up to 10% for the
Ultra-80 at 100 feet or 15% for the Ultra-105 at 100 feet.
Pipe and fittings — Plastic
PVC
2"
(include termination elbows if required)
(include termination if vertical separate pipes)
(vertical separate-pipe termination)
3"x2" 4"x3"
Pipe and fittings — AL29-4C Stainless
®
Saf-T-Vent
2"
3" PVC Concentric
with Sidewall or Vertical
(Use only PVC pipe —
pipes
DO NOT use
CPVC or ABS)
Ells Length Ells
2 100 1
(ab)
2 100 1
2 100 1
2 30 1
(c) (c)
2 70 1
(d)
2 70 1
(d)
2 NA
b — Use 3"x2" PVC reducers at termination
d — Use 4"x3" PVC reducers at termination
CPVC
3"
QTY
1
Z-Vent II FasNSeal™
3"
QTY
RETURN TO VENT AND AIR PIPING
Vertical
with
separate
pipes
Length Ells
100 1
100 1
100 1
30 1
(c)
100 1
100 1
100 1
ABS
4"
✔
feet
4"
✔
feet