ECR International Utica Boilers UB90-50 Installation, Operation & Maintenance Manual page 20

Gas-fired, direct vent, condensing, hot water boiler
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NEAR BOILER PIPING
Figure 10 - Conventional (Closed Type) Expansion Tank Piping
SAFETY RELIEF VALVE
SEE PAGE 18 FOR
REQUIREMENTS
20
P/N 240010135 Rev. D [04/15/2017]

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Utica boilers ub90-75Utica boilers ub90-100

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