Replacement Parts List

Boiler Control Replacement Parts

McDonnell & Miller

OILER

ONTROLS

Model 6667

Model 6667MV

Series 67

Low Water Cut-Offs

Low Water Cut-Offs – Float Type

For Steam Boilers

Replacement Head Mechanisms

Components (shown on page 15)

Item Part Model Weight

Number Number Number Description lbs. (kg)

1 344100 SA66-35 Upper tube assembly 1.0 (0.5)

2 334600 MA559 Quick hook-up fittings 2.5 (1.1)

3 318800 67-12 Gasket 0.1 (.05)

4 344200 SA67-2 Float and bellows assembly 1.0 (0.5)

5 309100 11 Switch 0.5 (.23)

6 309151 11-M Switch w/manual reset 0.5 (.23)

7 309200 11-MV No. 11 for Millivolt service 0.5 (.23)

8 310447 14-B Blow-down valve 0.5 (.23)

9 313200 37-39 Blow-down valve gasket 0.1 (.05)

Series 67

Model 67-LQHU

(without quick

hook-up fittings)

For Repl. Head Part Weight

Model Model No. Number Description lbs. (kg)

67-LQHU 6667 153825 Head mechanism 1.5 (0.7)

67-G 6667MV 153850 6667 for Millivolt 1.5 (0.7)

service

PAGE 1
BOILER CONTROLS Boiler Control Replacement Parts McDonnell & Miller Low Water Cut-Offs – Float Type For Steam Boilers Series 67 Low Water Cut-Offs Series 67 Model 67-LQHU (without quick hook-up fittings) Replacement Head Mechanisms For Model Repl. Head Model No. Part Number Description Weight lbs. (kg) 67-LQHU 6667 153825 Head mechanism 1.5 (0.7) 67-G 6667MV 153850 6667 for Millivolt service 1.5 (0.
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Boiler Control Replacement Parts McDonnell & Miller BOILER CONTROLS Low Water Cut-Offs – Float Type For Steam Boilers Series 67 (continued) Low Water Cut-Offs Components 1 Model 6667 2 4 5 6 7 3 9 8 15