ECR International Utica Boilers MAH-100 Installation, Operation & Maintenance Manual page 16

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Illustrations are a depiction of the boiler for general location of parts and may vary depending on model.
3 - COMPONENT LISTING
UTICA BOILER MAC-150
Exhaust Port
Intake Port
6 5 3
7
4
ITEM
NO.
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Utica Boiler
MAC- 150
1
Pump with Air Separator
2 Boiler Drain Tap
Flow Sensor with Water Filter
3
and Flow Restrictor
4
DHW Priority Sensor
5
Controlled Fast Fill
6 Gas Valve
7 NTC DHW Sensor
8 Low Water Pressure Cutoff
9
3-Way Valve with Motor
Check Valve
DHW Heat Exchanger
Water Safety Thermostat
NTC Heating sensor (Flow/Return)
QTY 2, (1 Shown for clarity)
Flue Sensor
Pressure Switch
Coaxial Connector
Heat Exchanger Temperature
Protector
Heat Exchanger
Burner (not shown)
Ignition Electrode
Flame Detection Electrode
Air/Gas Blend Manifold
Venturi
Fan
Air Vent
240013354 REV A [07/01/2021]