GAS FIRED BOILERS

The MGB series boilers are versatile, high efficiency units ideal for new construction or upgrade re- placements. They are available in capacities from 50,000 thru 299,999 BTUH and in either electronic ignition or standing pilot models. All models are equipped as shipped for natural gas installation, and can be easily field converted to LP gas operation with optional conversion kit (ordered separately).

Standard equipment includes boiler jacket, cast iron boiler sections, combination aquastat relay, thermaltimeter gauge, circulator (field mounted), main gas burners, combination 24-volt gas control (includes automatic gas valve, gas pressure regulator, automatic pilot, safety shutoff, pilot flow adjustment, pilot filter, A.S.M.E. relief valve, drain valve, spill switch, rollout switch, automatic vent damper. Built in draft hood reduces flue outlet height connection. Comfort Plus Extended Service Agreements are available for Utica Boilers.

CAT. NO. MFG. NO.

2W310N MGB50HID 2W311N MGB75HID

INPUT BTUH

50,000 75,000

D.O.E. CAPACITY BTUH 42,000 63,000

2W312N MGB100HID 100,000 83,000 2W313N MGB125HID 125,000 104,000 2W314N MGB150HID 150,000 124,000 2W315N MGB175HID 175,000 143,000 2W316N MGB200HID 200,000 165,000 2W317N MGB250HID 250,000 205,000 2W318N MGB300HID 299,999 243,000

NET

ELECTRONIC IGNITION MODELS A.F.U.E.% DIMENSIONS H x W x D PIPING

OUTPUT NTUH 37,000 55,000 72,000 90,000

108,000 124,000 143,000 178,000 214,000

CONNECTIONS SUPPLY

84.1 83.1 83.0 82.0 83.0 81.0 81.9 80.5 80.5

36-3/4 x 11 x 27” 36-3/4 x 15 x 27” 37-1/4 x 15 x 27” 37-1/4 x 19 x 27” 37-3/4 x 19 x 27” 37-3/4 x 23 x 27” 38-3/4 x 23 x 27” 40-3/4 x 27 x 27” 42-3/4 x 31 x 27”

1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT

ON HEAT EXCHANGER PIPING

CONNECTIONS RETURN 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT

FLUE WEIGHT EACH

4” 5” 6” 6” 7” 7” 8” 8” 9”

255 305 310 355 360 420 425 495 555

$2,622.94 $2,943.00 $3,043.17 $3,324.33 $3,431.99 $4,018.19 $4,245.49 $4,867.58 $5,708.01

MGB Series

CAT. NO. MFG. NO.

INPUT BTUH

2W300N MGB50HD 50,000 2W301N MGB75HD 75,000

D.O.E. CAPACITY BTUH 42,000 63,000

2W302N MGB100HD 100,000 83,000 2W303N MGB125HD 125,000 104,000 2W304N MGB150HD 150,000 124,000 2W305N MGB175HD 175,000 143,000 2W306N MGB200HD 200,000 165,000 2W307N MGB250HD 250,000 205,000 2W308N MGB300HD 299,000 243,000

*Dimension shown includes flue damper.

NET

OUTPUT NTUH 37,000 55,000 72,000 90,000

108,000 124,000 143,000 178,000 214,000

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

CONNECTIONS SUPPLY

80.0 80.0 80.0 80.0 80.0 80.0 80.0 80.0 80.0

36-3/4 x 11 x 27” 36-3/4 x 15 x 27” 37-1/4 x 15 x 27” 37-1/4 x 19 x 27” 37-3/4 x 19 x 27” 37-3/4 x 23 x 27” 38-3/4 x 23 x 27” 40-3/4 x 27 x 27” 42-3/4 x 31 x 27”

1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT

PIPING

CONNECTIONS RETURN 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT 1-1/4” NPT

FLUE WEIGHT EACH

4” 5” 6” 6” 7” 7” 8” 8” 9”

255 305 310 355 360 420 425 495 555

$2,397.17 $2,715.70 $3,983.72 $4,379.20 $4,529.28 $3,790.89 $4,021.16 $4,638.78 $5,483.68

NATURAL-TO-LP GAS CONVERSION KITS Electronic Ignition and Standing Pilot models

CAT. NO. MFG. NO. 2W320 2W321 2W322 2W323 2W324 2W325 2W326 2W327 2W328

LPKITM50 LPKITM75

USE WITH BOILER MODEL EACH MGB50 MGB75

LPKITM100 MGB100 LPKITM125 MGB125 LPKITM150 MGB150 LPKITM175 MGB175 LPKITM200 MGB200 LPKITM250 MGB250 LPKITM300 MGB300

$192.79 $192.79 $192.79 $192.79 $192.79 $192.79 $192.79 $192.79 $192.79

COMBUSTIBLE FLOOR SUBBASES

CAT. NO. MFG. NO. USE WITH BOILER MODEL EACH 2W330 2W331 2W332 2W333

325-2-8.01 MGB50 325-2-8.02 325-2-8.03 325-2-8.04

MGB75, -100 MGB125, -150 MGB175, -200

$233.03 $259.25 $266.32 $289.21

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BOILERS