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STEAM CONTROLS ASSEMBLY
AND PARTS LIST
WHEN EQUIPPED WITH McDONNELL & MILLER L.W.C.O.
WHEN EQUIPPED WITH McDONNELL & MILLER L.W.C.O.
(P
ac
kage par
t no
.
411956)
WHEN EQUIPPED WITH ELECTRONIC L.W.C.O.
(P
ac
kage par
t no
. 411957)
WHEN EQUIPPED WITH ELECTRONIC L.W.C.O.
ITEM PART
NO. DESCRIPTION NO.
1
Low water cutoff, McDonnell & Miller 67-SF 400-116
2 Syphon 400-222
3 Tee 1/4" x 1/4" x 1/4" 400-223
4 Nipple 1/4" x 2
1
⁄2" 400-224
5 Elbow 1/4" x 90° 400-232
6
Pressure Gauge 910374051
7 Close Nipple 1/4" 400-240
8 Pressuretrol 400-117
9 Nipple 1/2" x 5
1
⁄2" 410-849
10 Nipple 1/2" x 6" 410-850
11 Water level gauge (no provision for tankless) 402-0362
11 Water level gauge (tankless or provision for 402-0361
tankless)
ITEM
P
AR
T
NO. DESCRIPTION NO.
1 Low water cutoff, electronic (not shown) 410-807
2 Syphon 400-222
3 Tee 1/4" x 1/4" x 1/4" 400-223
4 Nipple 1/4" x 2
1
⁄2" 400-224
5
Elbow 1/4" x 90° 400-232
6
Pressure Gauge
910374051
7 Close Nipple 1/4" 400-240
8 Pressuretrol 400-117
9 Nipple 1/2" x 2
3
⁄4" 410-816
10 Nipple 1/2" x 2
1
⁄2" 410-812
11 Water level gauge (no provision for tankless) 402-0362
12 Reducing bushing 1/2" x 1/4" 410-811
13
Tee 1/2" 410-739
14
Coupling 1/2"
411-859
2