UTICA BOILERS MAHF-75 Installation, Operation And Maintenance Manual page 14

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