Overview of Primary Product

2"
Isolation valve
Strainer
Feed pump
Check valve
Receiver
Return
Vent to atmosphere
Boiler
Hartford loop
186-19
Part Number 550-141-186/0914
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s)NSTALLATIONs3TART5Ps-AINTENANCEs0ARTS
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
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 3ATISFACTORYOPERATIONOFANYSTEAMHEATINGSYSTEMDEPENDSUPONADEQUATE
return of condensate to maintain steady water level. Avoid adding excessive
AMOUNTOFRAWMAKEUPWATER7HERECONDENSATERETURNISNOTADEQUATEA
low water cutoff and pump control, condensate receiver, and condensate
boiler feed pump should be installed. Refer to
Figure 19 for piping and
condensate receiver capacity table for sizing.
*5
Boiler feed pump and
condensate receiver piping
8-
Condensate receiver capacity
(minimum)
Boiler
Model
Number
Gross
Output
Steam
Condensate Minimum Condensate Receiver Capacity

Select minimum receiver capacity based on time
(minutes), required for condensate to return to the
receiver.
Recommended
Feed Pump
Capacity
lbs/hour  15 min 30 min 45 min 60 min
GPM @15 PSI
LGB-4 312.0 39 12 23 35 47 1.3
LGB-5 409.2 51 15 30 46 61 1.7
LGB-6 514.2 63 19 38 58 77 2.1
LGB-7 619.3 76 23 46 68 91 2.5
LGB-8 724.4 88 26 52 78 104 2.9
LGB-9 828.9 101 30 60 90 120 3.3
LGB-10 933.7 114 34 68 102 136 3.8
LGB-11 1038.7 126 38 76 114 152 4.2
LGB-12 1144.0 139 42 84 126 168 4.6
LGB-13 1238.6 152 46 92 138 184 5.1
LGB-14 1343.6 164 49 98 147 196 5.5
LGB-15 1448.7 177 53 106 159 212 5.9
LGB-16 1552.2 190 58 116 174 232 6.3
LGB-17 1657.8 202 61 122 183 244 6.7
LGB-18 1763.6 215 65 130 195 260 7.1
LGB-19 1867.3 227 68 136 204 272 7.5
LGB-20 1973.6 240 72 144 216 288 8.0
LGB-21 2077.4 253 76 152 228 304 8.4
LGB-22 2184.0 265 79 158 237 316 8.8
LGB-23 2288.0 278 83 166 249 332 9.2