15B Series GAS-FIRED HYDRONIC BOILERS

The 15B Series gas-fired, hydronic boilers are competatively priced and are offered in Standing Pilot and Electronic Ignition models. The advanced heat exchanger design, featuring a robust cast iron heat exchanger and cast iron nipple connections, provides long life, and high output in a compact package. The 15B provides AFUE up to 82% (Electronic Ignition models). Compact design, low profile draft hood and top supply piping connections allow for easier installation. Standard equipment: Packaged boiler, with jacket, cast iron battery as- sembly, high limit, vent damper, theraltimeter gauge, burners, 24 v gas controls, relief valve and drain valve. Boiler is shipped for natural gas, optional LP conversion kits are available.

ON HEAT EXCHANGER (10 YEARS PRO-RATED)

ON PARTS

CAT. NO. MFG. NO.

INPUT BTUH

2W471N U15B070FVN1 70,000 2W472N U15B096FVN1 96,000

D.O.E. CAPACITY BTUH 57,000 79,000

2W473N U15B120FVN1 120,000 98,000 2W474N U15B145FVN1 145,000 119,000

NET

STANDING PILOT MODELS A.F.U.E. DIMENSIONS H x W x D PIPING

OUTPUT BTUH 50,000 69,000 85,000

103,000

80.0% 80.0% 80.0% 80.0%

30.75 x 15.1 x 28.1” 30.75 x 15.1 x 28.1” 30.75 x 19.0 x 29.1” 30.75 x 19.0 x 29.1”

CONNECTIONS SUPPLY 1-1/4” mpt 1-1/4” mpt 1-1/4” mpt 1-1/4” mpt

PIPING

CONNECTIONS RETURN 1-1/4” mpt 1-1/4” mpt 1-1/4” mpt 1-1/4” mpt

FLUE WEIGHT EACH

5” 5” 6” 6”

305 lbs 310 lbs 355 lbs 360 lbs

$2,169.40 $2,052.49 $2,190.59 $2,365.37

CAT. NO. MFG. NO.

INPUT BTUH

2W481N U15B070FEN1 70,000 2W482N U15B096FEN1 96,000

D.O.E. CAPACITY BTUH 57,000 79,000

2W483N U15B120FEN1 120,000 98,000 2W484N U15B145FEN1 145,000 119,000

ELECTRONIC IGNITION MODELS NET

A.F.U.E. DIMENSIONS H x W x D PIPING

OUTPUT BTUH 50,000 69,000 85,000

103,000

82.0% 82.0% 82.0% 82.0%

30.75 x 15.1 x 28.1” 30.75 x 15.1 x 28.1” 30.75 x 19.0 x 29.1” 30.75 x 19.0 x 29.1”

CONNECTIONS SUPPLY 1-1/4” mpt 1-1/4” mpt 1-1/4” mpt 1-1/4” mpt

PIPING

CONNECTIONS RETURN 1-1/4” mpt 1-1/4” mpt 1-1/4” mpt 1-1/4” mpt

FLUE WEIGHT EACH

5” 5” 6” 6”

305 lbs 310 lbs 355 lbs 360 lbs

$2,118.36 $2,297.01 $2,436.40 $2,625.78

CAT. NO.

ACCESSORIES FOR 15B SERIES BOILERS MFG. NO.

DESCRIPTION

2W471LPK 15070 2W472LPK 15096 2W473LPK 15120 2W474LPK 15145 4H120

Natural to LP Conversion Kit Natural to LP Conversion Kit Natural to LP Conversion Kit Natural to LP Conversion Kit

26 x 26 x 2” Ultralite non-combustible mounting base for mounting on combustable surfaces

USE WITH

EACH

2W471N & 2W481N $60.00 2W472N & 2W482N $61.85 2W473N & 2W483N $62.02 2W474N & 2W484N $62.02 All Models

$40.20

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BOILERS