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Instruction GF-125V AERCO INTERNATIONAL, Inc. Northvale, New Jersey, 07647 USA PVC & CPVC Vent Installation Supplement Esteem 399 Low NOx Gas Fired Boiler Visit www.aerco.com to View the Latest Product Manuals and Information. Printed in U.S.A. REVISED AUGUST 2010...
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The information contained in this document is subject to change without notice from AERCO International, Inc. AERCO makes no warranty of any kind with respect to this material, including but not limited to implied warranties of mer- AERCO International, Inc.
Table of Contents PVC / CPVC Vent Guide for use with Esteem 399 Low NOx Boilers GF-125V Contents Definitions and General Warnings PRE-INSTALLATION ITEMS Removal of an Existing Boiler ..........1 Vent/Combustion Air Piping .
SERIOUS INJURY OR PROPERTY DAMAGE WARNING OTICE This document is a supplement to the EAD ALL INSTRUCTIONS AS OUTLINED IN THIS Esteem 399 Low NOx Installation and MANUAL AND IN THE BOILER INSTALLATION Maintenance Manual (GF-125). This MANUAL AILURE TO COMPLY WITH THESE IN...
PRE-INSTALLATION ITEMS—Removal of an Existing Boiler 5. Test for spillage at the draft hood relief PRE-INSTALLATION ITEMS opening after 5 minutes of main burner operation. Use the flame of a match or Removal of an Existing Boiler candle, or smoke from a cigarette, cigar or DANGER pipe.
PRE-INSTALLATION ITEMS—Vent/Combustion Air Piping Vent/Combustion Air Piping Combustion Air Contamination OTICE WARNING Installation of vent and combustion air F THE STEEM COMBUSTION AIR INLET IS LO piping must comply with local codes and CATED IN AN AREA LIKELY TO CAUSE OR CONTAIN requirements and the National Fuel Gas CONTAMINATION THE COMBUSTION AIR MUST...
PRE-INSTALLATION ITEMS—Materials Materials OTENTIAL CONTAMINATING MATERIALS • Spray cans containing chloro/fl uorocarbons WARNING • Permanent Wave Solutions • Chlorinated wax HE VENT AND COMBUSTION AIR MATERIALS FITTINGS AND CEMENT MUST MEET THE LIST • Chlorine-based swimming pool chemicals or ED REQUIREMENTS IN THIS MANUAL AILURE TO cleaners COMPLY WITH THESE MATERIAL REQUIREMENTS...
DIRECT VENT —Vertical Through Roof or Unused Chimney DIRECT VENT • Combustion air piping must terminate in an upside down “U” shape using two 90º el- bows as shown in Figure 2 on page 6 or with INSTALLATION OF VENT & a tee as shown in Figure 3 on page 6.
DIRECT VENT —Vertical Through Roof or Unused Chimney ◦ At least 3 feet above any forced air intake ENT AND OMBUSTION ENETRATION • Vent pipe penetration through combustible or within 10 feet (does not apply to the com- bustion air inlet of a direct vent appliance). non-combustible wall material should main- tain a minimum 1/4”...
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Figures 2 and 3 Figures 2 and 3 Vent Termination Combustion Air Termination Figure 2: Direct Vent Vertical Termination of Vent and Combustion Air Piping. Vent Termination Combustion Air Termination Figure 3: Direct Vent Vertical Termination of Vent and Combustion Air Piping. GF-125...
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Figures 4 through 7 Figures 4 through 7 OTICE Factory supplied bird screens must be installed on vent and combustion air terminations. Bird Screen* Vent Termination Figure 4: Vertical Vent Bird Screen Installation Combustion Air Termination Bird Screen* Bird Screen* Combustion Termination Figure 6: Vertical Combustion Air Bird Screen...
DIRECT VENT —Horizontal Sidewall Installation Horizontal Sidewall Installation ULTIPLE OILER NSTALLATION • On installations of multiple Esteem boilers, OTICE terminate the vent and combustion air piping Installation of the vent and combustion air as described in this manual. piping must comply with local codes and •...
DIRECT VENT —Horizontal Sidewall Installation ◦ Tee as shown in Figure 11 on page 10 or OTICE Figure 14 on page 11. For installations in the Commonwealth of ◦ 45º elbow as shown in Figure 12 on Massachusetts, see on page 24 for addi- page 11 or Figure 15 on page 11.
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Figures 8 through 11 Figures 8 through 11 Vent Termination Vent Termination Combustion Air Termination Combustion Air Termination Figure 8: Direct Vent: Sidewall Termination of Vent Figure 9: Direct Vent: Sidewall Snorkel Termination of and Combustion Air Piping Vent and Combustion Air Piping Vent Termination Combustion Air Termination...
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Figures 12 through 15 Figures 12 through 15 Vent Termination Combustion Air Termination Combustion Air Termination* Vent Termination Figure 12: Direct Vent: Sidewall Snorkel Termination Figure 13: Direct Vent: Sidewall Termination of of Vent and Combustion Air Piping with 45º Vent Vent and Combustion Air Piping with Coupling Vent Termination Termination...
DIRECT VENT —Horizontal Sidewall Installation • The vent termination must maintain the fol- ENT AND OMBUSTION ENETRATION lowing clearances; as shown in Figure 1 on • Vent pipe penetration through combustible or page 5. non-combustible wall material should main- tain a minimum 1/4” clearance. The diameter ◦...
DIRECT VENT —Vertical Vent and Sidewall Combustion Air sidewall beyond the dimensions shown installation of Esteem boilers. in Figure 8 on page 10 through Figure 15 OTICE on page 11. Condensate could freeze and Figure 16 shows one option for vent and block the vent pipe.
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Figures 17 through 20 Figures 17 through 20 OTICE Factory supplied bird screens must be installed on vent and combustion air terminations. Vent Termination Vent Termination Bird Screen Bird Screen* Figure 17: Horizontal Vent Bird Screen Installation with Figure 18: Horizontal Vent Bird Screen Installation with Coupling Termination 45º...
DIRECT VENT —Vertical Vent and Sidewall Combustion Air Vertical Vent and Sidewall & T IPING ENGTH ERMINATIONS Combustion Air OTICE The length of the vent or combustion air OTICE piping must not exceed 100 feet reduced Installation of vent and combustion air as follows: piping must comply with local codes and requirements and with the National Fuel...
DIRECT VENT —Vertical Vent and Sidewall Combustion Air located 12” [18” in Canada] above the highest nate the vent above or below any of these anticipated snow level. items within 4 feet horizontally. • The following should be considered when •...
DIRECT VENT —Vertical Vent and Sidewall Combustion Air ERMINATION ITTINGS ULTIPLE OILER NSTALLATION • The vent and combustion air terminations must Vertical Vent and Sidewall Combustion Air include a factory supplied bird screen installed • On installations of multiple Esteem boilers, as shown in Figure 4 on page 7 &...
CATEGORY IV—Vertical Through Roof or Unused Chimney CATEGORY IV a coupling and must be located 12” [18” Canada] above the highest anticipated snow level. See Figure 23 on page 18. Installation of Vent Piping • The following should be considered when A Category IV appliance uses uncontaminated determining the location of the vent termina- indoor or outdoor air surrounding the appliance...
CATEGORY IV—Vertical Through Roof or Unused Chimney • The vent termination must also maintain the • Comply with all local codes for isolating the following clearances. See Figure 24 on page vent pipe as it passes through fl oors, ceil- ings and roofs.
CATEGORY IV—Horizontal / Sidewall Installation Vent Pipe Terminations: Horizontal / Sidewall Installation • 90º elbow as shown in Figure 29 on page 22 WARNING • Coupling as shown in Figure 26 on page 22 • Tee as shown in Figure 27 on page 22 or Fig- NSTALLATION OF THE VENT AND COMBUSTION AIR PIPING MUST COMPLY WITH LOCAL CODES AND RE ure 30 on page 23.
CATEGORY IV—Horizontal / Sidewall Installation • The vent termination must maintain the fol- ERMINATION ITTINGS IDEWALL • The vent and combustion air terminations lowing clearances. See Figure 24 on page 19. must include a factory supplied bird screen ◦ At least 3 feet from adjacent walls installed as shown in Figure 17 through Fig- ure 20 on page 14.
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Figures 26 through 29 Figures 26 through 29 Vent Termination Vent Termination Figure 26: Category IV: Sidewall Termination of Vent Figure 27: Category IV: Sidewall Termination of Vent Pipe with Coupling Termination Pipe with Tee Termination Vent Termination Vent Termination Figure 29: Category IV: Sidewall Snorkel Termination Figure 28: Category IV: Sidewall Termination of Vent Pipe with 45º...
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Figures 30 through 32 Figures 30 through 32 Vent Termination Vent Termination Figure 30: Category IV: Sidewall Snorkel Termination Figure 31: Category IV: Sidewall Snorkel Termination of Vent Pipe with Tee Termination of Vent Pipe with 45º Elbow Termination Vent Termination Figure 32: Category IV: Multiple Boiler Sidewall Vent Terminations...
COMMONWEALTH OF MASSACHUSETTS—Direct Vent COMMONWEALTH OF MASSACHUSETTS Direct Vent Termination at or below 4 feet of Grade: OTICE The following instructions apply to the installation of a direct vented appliance whose vent termination and combustion air inlet are installed at or below a four foot elevation (above the grade).
COMMONWEALTH OF MASSACHUSETTS—Direct Vent Direct Vent Termination 4 feet above Grade: OTICE The following instructions apply to the installation of a direct vented appliance whose vent termination and combustion air inlet are installed at greater than a four foot elevation above the grade. •...
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