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Flow Switch (2)
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Low Water Cutoff (33)
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Hydrolevel

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Product Image of VXT-24 Water Feeder - 24V
VXT-24 Water Feeder - 24V
SKU: 45-026
Hydrolevel
SKU: 45-026
Brand: Hydrolevel
(30)
$276.57 each
In Stock
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Product Image of Model 3250-Plus Fuel Smart Hydrostat for Oil Boilers (Temperature Limit, LWCO, & Boiler Reset Control)
Model 3250-Plus Fuel Smart Hydrostat for Oil Boilers (Temperature Limit, LWCO, & Boiler Reset Control)
SKU: 48-3250
Hydrolevel
SKU: 48-3250
Brand: Hydrolevel
(37)
$201.16 each
In Stock
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Product Image of Model 3200-Plus Fuel Smart Hydrostat for Gas Boilers (Temperature Limit, LWCO, & Boiler Reset Control)
Model 3200-Plus Fuel Smart Hydrostat for Gas Boilers (Temperature Limit, LWCO, & Boiler Reset Control)
SKU: 48-3200
Hydrolevel
SKU: 48-3200
Brand: Hydrolevel
(35)
$203.13 each
In Stock
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Product Image of Safgard 550 Low Water Cutoff w/ Manual Reset & Test Button/Light - 120V
Safgard 550 Low Water Cutoff w/ Manual Reset & Test Button/Light - 120V
SKU: 45-550
Hydrolevel
SKU: 45-550
Brand: Hydrolevel
(17)
$208.00 each
In Stock
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Product Image of VXT-120 Water Feeder - 120V
VXT-120 Water Feeder - 120V
SKU: 45-122
Hydrolevel
SKU: 45-122
Brand: Hydrolevel
(17)
$277.55 each
In Stock
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Product Image of Safgard 1100 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button - 24V
Safgard 1100 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button - 24V
SKU: 45-1100
Hydrolevel
SKU: 45-1100
Brand: Hydrolevel
(24)
$125.83 each
In Stock
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Product Image of Model 3150 HydroStat for Oil Boilers (Temperature Limit & LWCO)
Model 3150 HydroStat for Oil Boilers (Temperature Limit & LWCO)
SKU: 48-3150
Hydrolevel
SKU: 48-3150
Brand: Hydrolevel
(11)
$180.56 each
In Stock
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Product Image of Safgard 400 Non-Cycling Steam Primary Low Water Cutoff - 24V
Safgard 400 Non-Cycling Steam Primary Low Water Cutoff - 24V
SKU: 45-400-HYDROLEVEL
Hydrolevel
SKU: 45-400-HYDROLEVEL
Brand: Hydrolevel
(21)
$241.02 each
In Stock
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Product Image of EL1214, 3/4" NPT Standard Ceramic Probe (2-7/8" ID)
EL1214, 3/4" NPT Standard Ceramic Probe (2-7/8" ID)
SKU: 45-214
Hydrolevel
SKU: 45-214
Brand: Hydrolevel
(13)
$62.96 each
In Stock
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Product Image of HydroStat 12" Replacement Sensor
HydroStat 12" Replacement Sensor
SKU: 48-3250-60
Hydrolevel
SKU: 48-3250-60
Brand: Hydrolevel
(7)
$18.97 each
In Stock
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Product Image of Safgard 500 Low Water Cutoff w/ Manual Reset & Test Button/Light - 24V
Safgard 500 Low Water Cutoff w/ Manual Reset & Test Button/Light - 24V
SKU: 45-500
Hydrolevel
SKU: 45-500
Brand: Hydrolevel
(24)
$200.99 each
In Stock
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Product Image of Safgard 1100M Low Water Cutoff w/ Manual Reset & Test Button/Light - 24V
Safgard 1100M Low Water Cutoff w/ Manual Reset & Test Button/Light - 24V
SKU: 45-1100M
Hydrolevel
SKU: 45-1100M
Brand: Hydrolevel
$129.93 each
In Stock
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Product Image of Safgard 1150 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button -120V
Safgard 1150 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button -120V
SKU: 45-1150
Hydrolevel
SKU: 45-1150
Brand: Hydrolevel
(24)
$131.95 each
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Product Image of CycleGard CG400-2090 Low Water Cutoff - 24V (Steam)
CycleGard CG400-2090 Low Water Cutoff - 24V (Steam)
SKU: 45-410-2090
Hydrolevel
SKU: 45-410-2090
Brand: Hydrolevel
(4)
$246.72 each
In Stock
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Product Image of VXT Feed Valve Service Kit
VXT Feed Valve Service Kit
SKU: 45-345
Hydrolevel
SKU: 45-345
Brand: Hydrolevel
(11)
$17.26 each
In Stock
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Product Image of Safgard 550SV Low Water Cutoff w/ Manual Reset & Test Button/Light, Shorter Probe - 120V
Safgard 550SV Low Water Cutoff w/ Manual Reset & Test Button/Light, Shorter Probe - 120V
SKU: 45-551
Hydrolevel
SKU: 45-551
Brand: Hydrolevel
(1)
$192.76 each
In Stock
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Product Image of Safgard 550P Low Water Cutoff w/ Manual Reset & Test Button/Light, Longer Probe - 120V
Safgard 550P Low Water Cutoff w/ Manual Reset & Test Button/Light, Longer Probe - 120V
SKU: 45-553
Hydrolevel
SKU: 45-553
Brand: Hydrolevel
(2)
$213.70 each
In Stock
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Product Image of Safgard 450 Non-Cycling Steam Primary Low Water Cutoff - 120V
Safgard 450 Non-Cycling Steam Primary Low Water Cutoff - 120V
SKU: 45-450
Hydrolevel
SKU: 45-450
Brand: Hydrolevel
(21)
$197.94 each
In Stock
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Product Image of CycleGard CG450-1560 Low Water Cutoff w/ 15 Minute Intermittent Level Test - 120V (Steam)
CycleGard CG450-1560 Low Water Cutoff w/ 15 Minute Intermittent Level Test - 120V (Steam)
SKU: 45-460-1560
Hydrolevel
SKU: 45-460-1560
Brand: Hydrolevel
(4)
$240.71 each
In Stock
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Product Image of Remote Wall/Jacket Mounting Kit for HydroStat w/ 4' Sensor Cord
Remote Wall/Jacket Mounting Kit for HydroStat w/ 4' Sensor Cord
SKU: 48-102
Hydrolevel
SKU: 48-102
Brand: Hydrolevel
(8)
$57.20 each
In Stock
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Product Image of Safgard 1100H5 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button - 24V
Safgard 1100H5 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button - 24V
SKU: 45-1105
Hydrolevel
SKU: 45-1105
Brand: Hydrolevel
(2)
$135.75 each
In Stock
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Product Image of EL1220, 1/2" NPT Standard Ceramic Probe (2-7/8" ID)
EL1220, 1/2" NPT Standard Ceramic Probe (2-7/8" ID)
SKU: 45-220
Hydrolevel
SKU: 45-220
Brand: Hydrolevel
(3)
$53.58 each
In Stock
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Product Image of Safgard 170 Low Water Cutoff w/ Auto Reset - 120V
Safgard 170 Low Water Cutoff w/ Auto Reset - 120V
SKU: 45-170
Hydrolevel
SKU: 45-170
Brand: Hydrolevel
(3)
$113.76 each
In Stock
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Product Image of HydroStat EW-201, 3/4" NPT Standard Electro-Well w/ Standard Nut
HydroStat EW-201, 3/4" NPT Standard Electro-Well w/ Standard Nut
SKU: 48-201
Hydrolevel
SKU: 48-201
Brand: Hydrolevel
(2)
$34.52 each
In Stock
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Product Image of WM-1 General Purpose Heavy-Duty Water Meter w/ 3/4" Adapters (0.5 to 35 GPM)
WM-1 General Purpose Heavy-Duty Water Meter w/ 3/4" Adapters (0.5 to 35 GPM)
SKU: 45-130
Hydrolevel
SKU: 45-130
Brand: Hydrolevel
(1)
$305.62 each
In Stock
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Product Image of OS-100 Outdoor Sensor Kit for HydroStat 3200-PLUS and 3250-PLUS
OS-100 Outdoor Sensor Kit for HydroStat 3200-PLUS and 3250-PLUS
SKU: 48-140
Hydrolevel
SKU: 48-140
Brand: Hydrolevel
(10)
$57.66 each
In Stock
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Product Image of HydroStat EW-202, 3/4" NPT Extended Electro-Well w/ Long Nut for Tankless Coil Boilers
HydroStat EW-202, 3/4" NPT Extended Electro-Well w/ Long Nut for Tankless Coil Boilers
SKU: 48-202
Hydrolevel
SKU: 48-202
Brand: Hydrolevel
$32.63 each
In Stock
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Product Image of Safgard 24SV Low Water Cutoff w/ Auto Reset - 24V
Safgard 24SV Low Water Cutoff w/ Auto Reset - 24V
SKU: 45-245
Hydrolevel
SKU: 45-245
Brand: Hydrolevel
(4)
$112.45 each
In Stock
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Product Image of Safgard FS200 General Purpose Liquid Flow Switch for 1" to 6" Pipes w/ NEMA 1 Enclosure
Safgard FS200 General Purpose Liquid Flow Switch for 1" to 6" Pipes w/ NEMA 1 Enclosure
SKU: 44-200
Hydrolevel
SKU: 44-200
Brand: Hydrolevel
(1)
$151.28 each
In Stock
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Product Image of Safgard 170SV Low Water Cutoff w/ Auto Reset, Shorter Probe - 120V
Safgard 170SV Low Water Cutoff w/ Auto Reset, Shorter Probe - 120V
SKU: 45-175
Hydrolevel
SKU: 45-175
Brand: Hydrolevel
(4)
$136.10 each
In Stock
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Product Image of Wire Harness for Connecting Safgard 1100 to Lochinvar Knight and Solution, Weil-McLain Ultra
Wire Harness for Connecting Safgard 1100 to Lochinvar Knight and Solution, Weil-McLain Ultra
SKU: 45-349
Hydrolevel
SKU: 45-349
Brand: Hydrolevel
(1)
$30.77 each
In Stock
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Product Image of Safgard 650 Low Water Cutoff w/ Auto Reset & Test Button/Light - 120V
Safgard 650 Low Water Cutoff w/ Auto Reset & Test Button/Light - 120V
SKU: 45-650
Hydrolevel
SKU: 45-650
Brand: Hydrolevel
$192.76 each
In Stock
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Product Image of Model 3000 Fuel Smart HydroStat for Gas Boilers (Temperature Limit, LWCO, & Boiler Reset Control)
Model 3000 Fuel Smart HydroStat for Gas Boilers (Temperature Limit, LWCO, & Boiler Reset Control)
SKU: 48-3000
Hydrolevel
SKU: 48-3000
Brand: Hydrolevel
$200.58 each
In Stock
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Product Image of Water Feeder Valve Assembly - 24V
Water Feeder Valve Assembly - 24V
SKU: 45-343
Hydrolevel
SKU: 45-343
Brand: Hydrolevel
(2)
$129.91 each
In Stock
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Product Image of EL1214-P, 3/4" NPT Standard Ceramic Probe w/ Long Nut (2-7/8 ID)
EL1214-P, 3/4" NPT Standard Ceramic Probe w/ Long Nut (2-7/8 ID)
SKU: 45-226
Hydrolevel
SKU: 45-226
Brand: Hydrolevel
$78.75 each
In Stock
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Product Image of ACU-Temp Temperature Control
ACU-Temp Temperature Control
SKU: 46-2000
Hydrolevel
SKU: 46-2000
Brand: Hydrolevel
(4)
$81.38 each
In Stock
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Product Image of EL1214-SV, 3/4" NPT Short Ceramic Probe (2-1/16" ID)
EL1214-SV, 3/4" NPT Short Ceramic Probe (2-1/16" ID)
SKU: 45-215
Hydrolevel
SKU: 45-215
Brand: Hydrolevel
(1)
$53.58 each
In Stock
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Product Image of HydroStat 3' Replacement Sensor
HydroStat 3' Replacement Sensor
SKU: 48-3250-67
Hydrolevel
SKU: 48-3250-67
Brand: Hydrolevel
$31.16 each
In Stock
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Product Image of HydroStat 24" Replacement Sensor
HydroStat 24" Replacement Sensor
SKU: 48-3250-59
Hydrolevel
SKU: 48-3250-59
Brand: Hydrolevel
$29.88 each
In Stock
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Product Image of Safgard 750 Low WaterCutoff w/ Manual Reset - 120V
Safgard 750 Low WaterCutoff w/ Manual Reset - 120V
SKU: 45-750
Hydrolevel
SKU: 45-750
Brand: Hydrolevel
(2)
$249.28 each
In Stock
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Product Image of HydroStat EW-221, 1/2" NPT Standard Electro-Well w/ Standard Nut
HydroStat EW-221, 1/2" NPT Standard Electro-Well w/ Standard Nut
SKU: 48-221
Hydrolevel
SKU: 48-221
Brand: Hydrolevel
(1)
$38.60 each
In Stock
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Product Image of Wire Harness for Connecting Safgard 1100 and 1100M to Vent Damper Plug On Boiler Control Modules
Wire Harness for Connecting Safgard 1100 and 1100M to Vent Damper Plug On Boiler Control Modules
SKU: 45-353
Hydrolevel
SKU: 45-353
Brand: Hydrolevel
(1)
$24.57 each
In Stock
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Product Image of HydroStat EW-222, 1/2" NPT Extended Electro-Well w/ Long Nut for Tankless Coil Boilers
HydroStat EW-222, 1/2" NPT Extended Electro-Well w/ Long Nut for Tankless Coil Boilers
SKU: 48-222
Hydrolevel
SKU: 48-222
Brand: Hydrolevel
(1)
$41.79 each
In Stock
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Product Image of Safgard 500SV Low Water Cutoff w/ Manual Reset & Test Button/Light, Shorter Probe - 24V
Safgard 500SV Low Water Cutoff w/ Manual Reset & Test Button/Light, Shorter Probe - 24V
SKU: 45-501
Hydrolevel
SKU: 45-501
Brand: Hydrolevel
$236.13 each
In Stock
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Product Image of Safgard 1100H3 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button - 24V
Safgard 1100H3 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button - 24V
SKU: 45-1103
Hydrolevel
SKU: 45-1103
Brand: Hydrolevel
(2)
$122.84 each
In Stock
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Product Image of Safgard FS204 General Purpose Liquid Flow Switch for 1" to 6" Pipes w/ NEMA 4 Enclosure
Safgard FS204 General Purpose Liquid Flow Switch for 1" to 6" Pipes w/ NEMA 4 Enclosure
SKU: 44-204
Hydrolevel
SKU: 44-204
Brand: Hydrolevel
$189.77 each
In Stock
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Product Image of EL1150, 3/4" NPT Probe for 1150 Series controls (1-15/16" ID)
EL1150, 3/4" NPT Probe for 1150 Series controls (1-15/16" ID)
SKU: 45-210-HYDROLEVEL
Hydrolevel
SKU: 45-210-HYDROLEVEL
Brand: Hydrolevel
(7)
$35.58 each
In Stock
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Product Image of HydroStat EW-206, 3/4" NPT Electro-Well w/ Long Nut and Standard Insertion Length for Buderus Units
HydroStat EW-206, 3/4" NPT Electro-Well w/ Long Nut and Standard Insertion Length for Buderus Units
SKU: 48-206
Hydrolevel
SKU: 48-206
Brand: Hydrolevel
$73.07 each
In Stock
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Hydrolevel Company was founded in 1965 by Michael DeLeonardis, an engineer specializing in steam pressure vessels. All of Hydrolevel's high quality low water cutoffs and water feeders are proudly made in the USA in their warehouse in New Haven, Connecticut.
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