Table of Contents
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Table
Page
Number
Number
Section 1 - Product Description, Specifications & Dimensional Data
Table 1-1
4
Table 1-2
4
Table 1-6
8
Section 3 - Pre-Installation and Boiler Mounting
Table 3-1
9
Table 3-2
10
Table 3-4
11
Section 4 - Venting
Table 4-1
15
Table 4-2
16
Table 4-3
16
Table 4-4
16
Table 4-11
22
Table 4-12
22
Table 4-13
22
Table 4-14
22
Table 4-17
24
Table 4-21
27
Table 4-22
28
Table 4-23
28
Table 4-24
29
Table 4-30
32
Table 4-31
32
Table 4-32
33
Section 5 - Condensate Disposal
Table 5-1
39
Section 6 - Water Piping and Trim
Table 6-2
42
Table 6-3
43
Table 6-4
43
Table 6-5
43
Table 6-8
46
Table 6-11
49
156
Description
Specifications
Dimensions (See Figures 1-3, 1-4, and 1-5)
Ratings
Corrosive Combustion Air Contaminants and Sources
Vent Pipe Clearances to Combustible Material
Apex Boiler Model Stacking Combinations
Vent/Combustion Air Intake System Options
Vent and Combustion Air Pipe Sizes and Equivalent Lengths
(Applies to All Listed Vent/Combustion Air System Options)
Vent System and Combustion Air System Components Equivalent Length
(Applies to All Listed Vent/Combustion Air System Options)
Vent and Combustion Air Equivalent Length Calculation Work sheet
CPVC/PVC Vent & Air Intake Components Included With Boiler
CPVC/PVC Vent & Air Intake Components (Installer Provided) required for Optional Horizontal
(Snorkel) Termination
Components Required for Optional Ipex Profile Sidewall Termination
CPVC/PVC Vent & Air Intake Components (Installer Provided) Required for
Optional Vertical Roof Termination
Expansion Loop Lengths
Listed Polypropylene Vent System Manufacturers
M&G DuraVent PolyPro Polypropylene Vent/Combustion Air System Components
Listed Polypropylene Pipe, Fittings and Terminations - Centrotherm Eco
Listed Polypropylene Pipe, Fittings and Terminations - Z-Flex Z-Dens
Thermal Solutions (Heat Fab) Vent System Components (Stainless Steel, 4 in. only)
M&G Dura FasNSeal Stainless Steel Vent Systems Components, Single Wall
Z-Flex, Z-Vent (SVE Series III, Z-Vent III) Stainless Steel Vent System Components, Single Wall
Maximum Condensate Flow
Flow Switch Paddle Application
Flow Range Requirement Through Boiler
Recommended Taco Circulators for 50 ft. Equivalent ft. Near Boiler Piping [Approximately 20 ft.
Straight Pipe, (4) 90° Elbows, and (2) Full Port Ball Valves]
Recommended Grundfos Circulators for 50 Equivalent ft. Near Boiler Piping [Approximately 20 ft.
Straight Pipe, (4) 90° Elbows, and (2) Full Port Ball Valves]
Fitting & Valve Equivalent Length
Multiple Boiler Water Manifold Sizing
APEX
Installation, Operating, & Service Instructions
106308-05 - 3/23
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