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Home
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Hydronics
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Hydronic Controls
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LWCO and Feed Water Valves
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Stocked Items
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Brands
Bell & Gossett (6)
Hydrolevel (11)
McDonnell & Miller (11)
Taco (3)
Voltage Rating
120 VAC (10)
120/240 VAC (3)
24 VAC (5)
24 VDC (2)
Power Consumption
40 VA (1)
15 VA (1)
Flow Rate
1 gpm (1)
Reset Type
Automatic (12)
Manual (4)
Dimensions
7-9/16 in H x 6-7/8 in W (1)
1/2 in C (1)
5-13/16 in L x 2-7/8 in W x 6-1/4 in H (1)
Height
2-3/4 in (1)
5-13/16 in (3)
8-7/8 in (1)
10-1/2 in (1)
5-5/16 in (1)
12-7/16 in (2)
6-1/2 in (1)
Series
RB-122-E (1)
PSE-800 (2)
500 (1)
42S (2)
751P (1)
PSE-800-M (1)
101-A (1)
LT Series (2)
63 Series (1)
1100 (2)
See All
Width
6 in (2)
3-3/16 in (1)
2-7/8 in (2)
6-5/8 in (1)
5-1/8 in (1)
1.79 in (1)
Pressure Rating
150 psi (6)
160 psi (8)
250 psi (2)
50 psi (4)
Type
Automatic (1)
Electronic (4)
Mechanical (2)
Probe (1)
Heavy Duty Mechanical (2)
Temperature Rating
120 deg F (5)
32 to 120 deg F (3)
150 deg F (1)
32 to 120 deg F Ambient (1)
32 to 150 deg F (2)
Power Rating
3.1 VA (1)
50 VA (2)
345 VA (4)
125 VA (4)
2.8 VA (2)
1.5 VA (1)
4 VA (2)
1 VA (1)
BTU Rating
2350000 Btu/hr (1)
Connection Type
NPT (11)
Thread Size
3/4 in (5)
1/2 in (1)
1 in (5)
Length
12-1/4 in (1)
2-7/8 in (1)
15-3/8 in (1)
LWCO and Feed Water Valves
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McDonnell & Miller
Feeder For 1/2in Conn With Cutoff Switch
Part #
47-2
Pressure Rating
150 psi
Temperature Rating
120 deg F
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Hydrolevel
Hydrolevel 120v Water Feeder
Part #
VXT-120
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Hydrolevel
HYDROLEVEL 24V LWCO MANUAL RESET
Part #
1100M
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Hydrolevel
Hydrolevel 24v Water Feeder
Part #
VXT-24
Voltage Rating
24 VAC
Flow Rate
1 gpm
Dimensions
1/2 in C
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Hydrolevel
Hydrolevel Lwco 120v Auto Cycling Steam
Part #
CG450-1090
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Hydrolevel
Hydrolevel Lwco 120v Auto Reset Water
Part #
1150
Voltage Rating
120 VAC
Reset Type
Automatic
Series
1100
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Hydrolevel
Hydrolevel Lwco 120v Manual Res/t W/stm
Part #
550SV
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Hydrolevel
Hydrolevel Lwco 120v Manual Reset Water
Part #
HL 550
Voltage Rating
120 VAC
Reset Type
Manual
Series
500
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Hydrolevel
Hydrolevel LWCO 24V Auto Cycling Steam
Part #
CG400-2090
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Hydrolevel
Hydrolevel Lwco 24v Auto Reset Water
Part #
1100
Voltage Rating
24 VAC
Reset Type
Automatic
Series
1100
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Hydrolevel
Hydrolevel Lwco 24v Auto Reset Water
Part #
24SV
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McDonnell & Miller
LWCO & Pump Control F/stm Blr Mechanical
Part #
150S
Voltage Rating
120/240 VAC
Reset Type
Automatic
Height
12-7/16 in
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Bell & Gossett
LWCO Probe Mr 120v 751P-MT-120
Part #
176234
Voltage Rating
120 VAC
Reset Type
Manual
Height
5-5/16 in
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McDonnell & Miller
LWCO Probe Type
Part #
RB-24E
MFG #
144692
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McDonnell & Miller
LWCO Probe Type 120v Primary & Switch
Part #
RB-122E
Voltage Rating
120 VAC
Reset Type
Automatic
Height
2-3/4 in
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Bell & Gossett
LWCO Probe Type 24v Manual Reset
Part #
PSE802M-24
Voltage Rating
24 VAC
Reset Type
Manual
Height
5-13/16 in
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McDonnell & Miller
LWCO Steam 24v 15psi
Part #
PS802-24
Voltage Rating
24 VAC
Reset Type
Automatic
Height
5-13/16 in
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Hydrolevel
LWCO w/ Manual Reset Test Button 24V
Part #
500SV
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Bell & Gossett
LWCO/pump Controller For Steam Boiler
Part #
42S
Voltage Rating
120/240 VAC
Height
8-7/8 in
Series
42S
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McDonnell & Miller
LWCO/pump Controller W/quik Hookup Ftgs
Part #
42S-A
Voltage Rating
120 VAC
Reset Type
Automatic
Series
42S
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McDonnell & Miller
LWCO/pumpControllerMaxDifferntialOper
Part #
150S-MD
Voltage Rating
120/240 VAC
Reset Type
Automatic
Height
12-7/16 in
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Bell & Gossett
MM Elec Water Feeder Gpm Fill Rate
Part #
101A-110V
Voltage Rating
120 VAC
Power Consumption
40 VA
Dimensions
7-9/16 in H x 6-7/8 in W
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Bell & Gossett
MM Low Water Cut Off Steam
Part #
69
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McDonnell & Miller
MM Low Water Cut Off W & S
Part #
64
Voltage Rating
120 VAC
Reset Type
Automatic
Height
6-1/2 in
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McDonnell & Miller
Feeder For 1/2in Conn With Cutoff Switch
Part #
47-2
Pressure Rating
150 psi
Temperature Rating
120 deg F
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Hydrolevel
Hydrolevel 120v Water Feeder
Part #
VXT-120
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Hydrolevel
HYDROLEVEL 24V LWCO MANUAL RESET
Part #
1100M
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Hydrolevel
Hydrolevel 24v Water Feeder
Part #
VXT-24
Voltage Rating
24 VAC
Flow Rate
1 gpm
Dimensions
1/2 in C
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Hydrolevel
Hydrolevel Lwco 120v Auto Cycling Steam
Part #
CG450-1090
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Hydrolevel
Hydrolevel Lwco 120v Auto Reset Water
Part #
1150
Voltage Rating
120 VAC
Reset Type
Automatic
Series
1100
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Hydrolevel
Hydrolevel Lwco 120v Manual Res/t W/stm
Part #
550SV
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Hydrolevel
Hydrolevel Lwco 120v Manual Reset Water
Part #
HL 550
Voltage Rating
120 VAC
Reset Type
Manual
Series
500
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Hydrolevel
Hydrolevel LWCO 24V Auto Cycling Steam
Part #
CG400-2090
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Hydrolevel
Hydrolevel Lwco 24v Auto Reset Water
Part #
1100
Voltage Rating
24 VAC
Reset Type
Automatic
Series
1100
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Hydrolevel
Hydrolevel Lwco 24v Auto Reset Water
Part #
24SV
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McDonnell & Miller
LWCO & Pump Control F/stm Blr Mechanical
Part #
150S
Voltage Rating
120/240 VAC
Reset Type
Automatic
Height
12-7/16 in
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Bell & Gossett
LWCO Probe Mr 120v 751P-MT-120
Part #
176234
Voltage Rating
120 VAC
Reset Type
Manual
Height
5-5/16 in
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McDonnell & Miller
LWCO Probe Type
Part #
RB-24E
MFG #
144692
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McDonnell & Miller
LWCO Probe Type 120v Primary & Switch
Part #
RB-122E
Voltage Rating
120 VAC
Reset Type
Automatic
Height
2-3/4 in
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Bell & Gossett
LWCO Probe Type 24v Manual Reset
Part #
PSE802M-24
Voltage Rating
24 VAC
Reset Type
Manual
Height
5-13/16 in
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McDonnell & Miller
LWCO Steam 24v 15psi
Part #
PS802-24
Voltage Rating
24 VAC
Reset Type
Automatic
Height
5-13/16 in
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Hydrolevel
LWCO w/ Manual Reset Test Button 24V
Part #
500SV
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Bell & Gossett
LWCO/pump Controller For Steam Boiler
Part #
42S
Voltage Rating
120/240 VAC
Height
8-7/8 in
Series
42S
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McDonnell & Miller
LWCO/pump Controller W/quik Hookup Ftgs
Part #
42S-A
Voltage Rating
120 VAC
Reset Type
Automatic
Series
42S
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McDonnell & Miller
LWCO/pumpControllerMaxDifferntialOper
Part #
150S-MD
Voltage Rating
120/240 VAC
Reset Type
Automatic
Height
12-7/16 in
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Bell & Gossett
MM Elec Water Feeder Gpm Fill Rate
Part #
101A-110V
Voltage Rating
120 VAC
Power Consumption
40 VA
Dimensions
7-9/16 in H x 6-7/8 in W
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Bell & Gossett
MM Low Water Cut Off Steam
Part #
69
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McDonnell & Miller
MM Low Water Cut Off W & S
Part #
64
Voltage Rating
120 VAC
Reset Type
Automatic
Height
6-1/2 in
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