UTICA BOILERS MAHF-75 Installation, Operation And Maintenance Manual page 18

2 6
2 5
2 4
2 3
2 2
2 1
2 0
1 9
1 8
1 7
1 6
I llust rat ions are a depict ion of t he boiler for general locat ion of part s and m ay vary depending on m odel.
3 - COM PON EN T LI STI N G
UTI CA BOI LER M ACF- 2 0 5
2 7
2 8
1 5 1 4 1 3
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 4
Ut ica Boile r
I TEM
M ACF- 2 0 5
NO.
1 Coaxial Connect or
2 Flue Sensor
3 Heat Exchanger
4 Burner ( not shown)
5 Flam e Det ect ion Elect rode
6 Air/ Gas Blend Manifold
7 Fan
8 Vent uri
9 Pum p wit h Air Separat or
1 0 DHW Priorit y Sensor
Flow Sensor wit h Wat er Filt er
1 1
and Flow Rest rict or
1 2 Heat ing Ret urn
1 3 Cold Wat er DHW I nlet Tap
1 4 Gas I nlet
1 5 DHW Out let
1 6 Heat ing Supply Connect ion
1 7 Condensat e Connect ion
1 8 DHW Heat Exchanger
1 9 NTC DHW Sensor
Low Water Pressure Cutoff
2 0
2 1
3-Way Valve wit h Mot or
2 2 Gas Valve
NTC Heating sensor ( Flow/ Return)
2 3
QTY 2, ( 1 Shown for clarity)
2 4 Wat er Safet y Therm ost at
2 5 I gnit ion Elect rode
2 6 Pressure Relief Valve
2 7 Exhaust Test Port
I nt ake Test Port
2 8
240013503 REV A, [ 03/ 15/ 2022]