Burnham 4N Dimension Guide
Contents
1. 41 718 49 1 8 49 1 8 49 1 8 49 1 8 57 57 57 57 64 64 66 7 8 66 7 8 U Tube Pull Space 32 39 45 1 2 44 112 53 61 70 57 65 72 1 2 80 81 94 105 23 V Supply Fitting Height 1 5 8 1 5 8 1 5 8 1 5 8 3 3 8 3 3 8 3 3 8 3 3 8 3 3 8 3 3 8 3 3 8 3 3 8 3 1 2 3 1 2 3 5 8 3 5 8 edt ites BTM Ee 40 3 4 40 3 4 40 3 4 40 3 4 48 1 2 48 1 2 48 1 2 48 1 2 55 55 55 55 66 3 16 66 3 16 69 69 Oil Gas Stoker Only See note below rating table for hand fired boilers 4 is IPS female thread 6 and larger are flanged Specifications dimensions data subject to change without notice 35 1 4 35 1 4 42 112 42 1 2 10 13 12 13 BURNHAM COMMERCIAL MERICAS BOILER COMPANY Series 4N Models 827 3075 JACKET Z A 4 bi SAFETY RELIEF TUBE PULL SPACE steer y 1g ALYE CONNECTIONS HOT WATER COIL pam OPTIONAL oe C l WATER COLUMN MODELS eM STEAM ONLY amp LARGER FIBERGLASS INSULATION W STEEL WRAP AROUND 3 MODEL 3075 SEE REAR OUTLET STD TOP OUTLET OPT ii h FIRETUBES T a c Pim f i 4 P AQUASTAT CONNECTION CLEANOUT 1 WATER COLUMN DOOR CONNECTION BOTTOM CLEANOUT DOOR W REAR OUTLET ONLY T 16 access poor Q W 2 FLAPPER za OBSERVATION PORT FRONT SMOKEB2. 7 8 35 7 8 44 5 8 44 5 8 44 5 8 44 5 8 52 1 4 52 1 4 56 56 B Boiler Length 42 112 51 59 68 55 63 70 1 2 78 76 3 4 89 1 4 100 3 8 118 1 4 C Boiler Height 60 1 2 60 1 2 60 1 2 60 1 2 67 1 2 67 1 2 67 1 2 67 1 2 79 1 4 79 1 4 82 82 D Base Width 35 1 8 35 1 8 35 1 8 35 1 8 43 7 8 43 718 43 7 8 43 7 8 50 1 8 50 1 8 54 54 E Base Length 44 43 51 1 2 59 1 2 68 1 2 55 1 2 63 1 2 71 78 1 2 78 1 8 90 5 8 101 3 4 119 5 8 F Base Height 15 18 18 18 18 18 18 18 18 18 18 18 18 G Front Smoke Box Height 22 3 4 24 718 24 718 24 718 24 718 30 5 8 30 5 8 30 5 8 30 5 8 33 5 8 33 5 8 36 3 4 36 3 4 H Front Smoke Box Depth 6 1 2 7 1 2 7 1 2 7 1 2 7 1 2 8 1 2 8 1 2 8 1 2 8 1 4 8 1 4 8 1 4 9 3 4 9 3 4 J Supply Location 15 15 15 15 18 18 18 18 26 26 26 26 K Supply Size 6 6 6 6 6 8 8 8 8 10 10 10 L Return Size 4 4 4 4 4 4 4 4 4 4 4 4 M Return Location 4 4 4 4 4 4 4 4 4 3 8 4 3 8 4 3 8 4 3 8 N Smoke Box Depth Top 9 9 9 9 10 10 10 10 16 16 16 16 Rear 20 1 2 20 1 2 20 1 2 20 1 2 22 1 2 22 1 2 22 1 2 22 1 2 16 16 16 16 P Vent Collar Diameter 18 18 18 18 20 20 20 20 20 24 26 28 Q Rear Vent Collar Height 40 40 40 40 46 46 46 46 51 1 2 51 1 2 52 3 8 52 3 8 R Smoke Box Collar Width Top Vent S Smoke Box Collar Depth Top Vent T Top Vent Collar Height 41 7 8
3. 72 72 84 S Top Vent Collar Depth 16 16 18 18 18 22 T Top Vent Collar Height 99 1 4 113 7 8 132 7 8 132 7 8 132 7 8 142 U Tube Pull Space 118 1 2 132 1 2 130 150 165 165 W Normal Water Line Height 85 1 2 100 1 4 114 114 114 114 114 1 4 122 1 2 Oil Gas Stoker Only See note below rating table for hand fired boilers 4 is IPS female thread 6 and larger are flanged Specifications dimensions data subject to change without notice
4. BURNHAM COMMERCIAL MERICAS BOILER COMPANY Series 4N Models 63 662 B OPTIONAL TOP OUTLET LIFTING LUGS 127A THRU 662A aT W ROUND VENT SAFETY RELIEF Y N 634 THRU 345A Grinn n TUBE PULL SPACE J K supPLy VALVE CONNECTIONS RECTANGULAR VENT WATER COIL 1 WATER COLUMN FIBERGLASS INSULATION REM 397A THRU 662A GAUGE CONNECTION W RECTANGULAR STEEL d JACKET REMOVABLE REAR SMOKEBOX MODELS 397A REAR OUTLET STD 3 THRU 662A TOP OUTLET OPT FIRETUBES REMOVABLE DOOR_ i em T 4N 63A THRU 3 xX 4 tte 4N 3454 HANDHOLE f SLIDING DOOR 4 AQUASTAT 4N 397A THRU CONNECTION 4N 662A 3 1 WATER COLUMN L CONNECTION c G wW FRONT E WELDED TO SHELL E 3 X 4 WASHOUT CONNECTIONS eee ji Pas 3 se FIREDOOR STOKER 2 OBSERVATION PORT OR HAND FIRING 63A THRU 345A BURNER OPENING L RETURN 16 ACCESS DOOR 3 W 2 FLAPPER Oi OR GES RING OBSERVATION PORT 397A THRU 662A aoe ASH PIT DOOR STOKER OR HAND FIRING Dimensions 4N Boiler Models A Boiler Width 35 7 8 35 7 8 35
5. OX 3 X 4 WASHOUT L RETURN WELDED TO SHELL CONNECTION j Le JASH PIT DOOR STOKER OR HAND FIRING d FIREDOORS STOKER OR HAND FIRING BURNER OPENING OIL OR GAS FIRING rg o Dimensions 4N Boiler Models 1157 A Boiler Width 64 70 1323 70 1654 76 1985 2315 2645 B Boiler Length 106 1 4 116 1 2 136 130 1 2 128 148 162 163 C Boiler Height 91 91 102 1 2 102 1 2 118 1 8 138 1 8 138 1 8 138 1 8 148 D Base Width 61 1 2 61 1 2 67 1 2 67 1 2 73 1 2 79 1 2 79 1 2 79 1 2 93 1 2 E Base Length 107 1 4 130 117 1 2 137 131 1 2 129 149 164 164 F Base Height 18 18 18 18 18 18 18 18 18 G Front Smoke Box Door Height 29 5 16 29 5 16 35 7 16 35 7 16 40 3 8 52 1 8 52 1 8 52 1 8 65 7 8 H Front Smoke Box Depth 12 3 4 12 3 4 13 3 4 13 3 4 14 3 4 15 3 4 15 3 4 15 3 4 16 1 2 J Supply Location 22 22 22 22 K Supply Size L Return Size Steam L Return Size Water M Return Location 6 6 7 1 4 7 114 7 114 N Smoke Box Depth Rear 24 3 4 24 3 4 24 3 4 26 P Rear Vent Collar Diameter 44 44 44 46 Q Rear Vent Collar Height 110 5 8 110 5 8 110 5 8 119 R Top Vent Collar Width 72
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