UTICA BOILERS MAHF-75 Installation, Operation And Maintenance Manual page 16

2 7
2 6
2 5
2 4
2 3
2 2
2 1
2 0
1 9
1 8
1 7
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- 1 1 5
2 8
2 9
1 6 1 5 1 4
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 2
Ut ica Boile r
I TEM
M ACF- 1 1 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 Vent uri
8 Fan
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 Boiler Drain Tap
1 3 Heat ing Ret urn
1 4 Cold Wat er DHW I nlet
1 5 Gas I nlet
1 6 DHW Out let
1 7 Heat ing Supply
1 8 Condensat e Connect ion
1 9 DHW Heat Exchanger
2 0 NTC DHW Sensor
Low Water Pressure Cutoff
2 1
2 2
3-Way Valve wit h Mot or
2 3 Gas Valve
2 4 Wat er Safet y Therm ost at
NTC Heating sensor ( Return) QTY
2 5
2, ( 1 Shown for clarity)
2 6 I gnit ion Elect rode
2 7 Pressure Relief Valve
2 8 Exhaust Test Port
I nt ake Test Port
2 9
240013503 REV A, [ 03/ 15/ 2022]