Replacement Parts List

20
Boiler Control Replacement Parts
McDonnell & Miller
B
OILER
C
ONTROLS
Series 93 & 193
Low Water Cut-Off/Pump Controllers
Combination Low Water Cut-Off/Pump Controllers
For Steam Boilers
Series 93
Series 93-HD
Components (shown on page 21)
Item Part Model Weight
Number Number Number Description lbs. (kg)
1 162402 93-HDLS Head w/o switch 15.0 (6.8)
2 345700 SA91-60 Float (includes item 3) 0.7 (.32)
3 325400 150-14 Gasket 0.1 (.05)
4 110300 5 Electric switch 3.5 (1.6)
5 110400 5-M No. 5 w/manual reset 3.5 (1.6)
6 110800 7B Electric switch/ 4.0 (1.8)
proportioning control
7 110900 7B-M No. 7B w/manual reset 4.0 (1.8)
#5 Switch
1 344800 SA91-30B Burner Switch 0.1 (.05)
Contact Assembly
(Red dot on terminal panel)
(Includes 1A terminal panel)
2 345000 SA91-30P Pump Switch 0.1 (.05)
Contact Assembly
(Blue dot on terminal panel)
(Includes 2A terminal panel)
#7B Switch
1 344800 SA91-30B Burner Switch 0.1 (.05)
Contact Assembly
(Red dot on terminal panel)
(Includes 1A terminal panel)
2 309000 7B-1R Resistor/Slide 0.1 (.05)
Wire Assembly
3 345150 SA7-30 Terminal Panel 0.5 (.23)
Replacement Head Mechanisms
Series 193
For Part Repl. Head Weight
Model Number Model No. Description lbs. (kg)
93, 193 162400 93-HD Head mechanism 16 (7.25)
163200 93-7B-HD Head mechanism with 7B switch 16 (7.25)
162600 93-M-HD Head mechanism, manual reset 16 (7.25)
163300 93-7B-M-HD Head mechanism with 7B switch, 16 (7.25)
manual reset