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BOILER DIMENSIONS & RATINGS
7. BOILER DIMENSIONS & RATINGS
TAPPING LOCATIONS
Location Size NPT Water Steam
H 3/4" N/A Low Limit Control
I 3/4" Limit Control Pressure Gauge
L 1/4" Temperature-Pressure Gauge Limit Control
M 1/2" N/A Gauge Glass and Low Water Cut-Off
N 2" Optional Return Return
O 3/4" Secondary Probe Low Water Cut-Off Secondary Probe Low Water Cut-Off
P 3/4" Safety Relief Valve Safety Valve
Q 1-1/4" Return N/A
R 3/4" Drain Valve Drain Valve
S 1-1/2" Optional High Limit Skim
T 3/4" N/A Primary Probe Low Water Cut-Off
U 1/2" N/A Gauge Glass w/ Probe LWCO
DIMENSIONS
Boiler
Model
Jacket
Length of
Fire Box
“D”
Rear of
Jacket to Flue
“E”
Flue Outlet
Diameter
“F”
Distance Between
Tappings
“G”
Width
“A”
Depth
“B”
Height
“C”
EC/ECT-03 22-1/2" 15-3/4" 42" 10" 8-3/4" 6" 9-1/16"
EC/ECT-04 22-1/2" 19-15/16" 42" 14-3/16" 10-7/8" 7" 13-1/4"
EC/ECT-05 22-1/2" 24-1/8" 42" 18-3/8" 13" 8" 17-7/16"
EC/ECT-06 22-1/2" 28-5/16" 42" 22-9/16" 15-1/16" 9" 21-5/8"
* Dimensions are approximate.
Figure 7.1: Boiler Dimensions / Purpose of Tappings