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Flow Switch (2)
HVAC Part (3)
Low Water Cutoff (33)
Low Water Cutoff Accessory (41)
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Water Feeder (10)

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Hydrolevel

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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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Product Image of VXT-24 Water Feeder - 24V
VXT-24 Water Feeder - 24V
SKU: 45-026
Hydrolevel
SKU: 45-026
Brand: Hydrolevel
(28)
$255.43 each
In Stock
Get 162 by Fri, Jul 18
In Stock
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Product Image of Model 3250-Plus Fuel Smart Hydrostat for Oil Boilers (Temperature Limit, LWCO, & Boiler Reset Control)
$201.16 each
In Stock
Get 150 by Fri, Jul 18
In Stock
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Product Image of Model 3200-Plus Fuel Smart Hydrostat for Gas Boilers (Temperature Limit, LWCO, & Boiler Reset Control)
$196.33 each
In Stock
Get 129 by Fri, Jul 18
In Stock
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Product Image of Safgard 550 Low Water Cutoff w/ Manual Reset & Test Button/Light - 120V
$258.45 each
In Stock
Get 140 by Fri, Jul 18
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
(16)
$258.94 each
In Stock
Get 110 by Fri, Jul 18
In Stock
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Product Image of Model 3150 HydroStat for Oil Boilers (Temperature Limit & LWCO)
$167.50 each
In Stock
Get 67 by Fri, Jul 18
In Stock
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Product Image of Safgard 1100 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button - 24V
$117.46 each
In Stock
Get 122 by Fri, Jul 18
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
(5)
$17.64 each
In Stock
Get 44 by Fri, Jul 18
In Stock
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Product Image of Safgard 1150 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button -120V
$123.17 each
In Stock
Get 69 by Fri, Jul 18
In Stock
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Product Image of EL1214, 3/4" NPT Standard Ceramic Probe (2-7/8" ID)
$58.81 each
In Stock
Get 6 by Fri, Jul 18
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
(19)
$224.69 each
In Stock
Get 145 by Fri, Jul 18
In Stock
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Product Image of Safgard 1100M Low Water Cutoff w/ Manual Reset & Test Button/Light - 24V
$121.08 each
In Stock
Get 66 by Fri, Jul 18
In Stock
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Product Image of Safgard 500 Low Water Cutoff w/ Manual Reset & Test Button/Light - 24V
$187.57 each
In Stock
Get 79 by Fri, Jul 18
In Stock
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Product Image of Safgard 550SV Low Water Cutoff w/ Manual Reset & Test Button/Light, Shorter Probe - 120V
$187.62 each
In Stock
Get 25 by Fri, Jul 18
In Stock
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Product Image of CycleGard CG400-2090 Low Water Cutoff - 24V (Steam)
$230.00 each
In Stock
Get 101 by Fri, Jul 18
In Stock
Get 101 by Fri, Jul 18
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Product Image of Safgard 450 Non-Cycling Steam Primary Low Water Cutoff  - 120V
$184.52 each
In Stock
Get 52 by Fri, Jul 18
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
$30.43 each
In Stock
Get 2 by Fri, Jul 18
In Stock
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Product Image of Safgard 550P Low Water Cutoff w/ Manual Reset & Test Button/Light, Longer Probe - 120V
$199.80 each
In Stock
Get 1 by Fri, Jul 18
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
(7)
$16.19 each
In Stock
Get 50 by Mon, Jul 21
In Stock
Get 50 by Mon, Jul 21
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Product Image of CycleGard CG450-1560 Low Water Cutoff w/ 15 Minute Intermittent Level Test - 120V (Steam)
$224.40 each
In Stock
Get 13 by Mon, Jul 21
In Stock
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Product Image of EL1220, 1/2" NPT Standard Ceramic Probe (2-7/8" ID)
$50.05 each
In Stock
Get 7 by Fri, Jul 18
In Stock
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Product Image of Safgard 170 Low Water Cutoff w/ Auto Reset - 120V
$110.02 each
In Stock
Get 25 by Mon, Jul 21
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)
$313.40 each
In Stock
Get 54 by Mon, Jul 21
In Stock
Get 54 by Mon, Jul 21
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Product Image of Safgard 1100H5 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button - 24V
$126.63 each
In Stock
Get 15 by Fri, Jul 18
In Stock
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Product Image of HydroStat EW-201, 3/4" NPT Standard Electro-Well w/ Standard Nut
$33.21 each
In Stock
Get 6 by Fri, Jul 18
In Stock
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Product Image of Safgard 24SV Low Water Cutoff w/ Auto Reset - 24V
$106.14 each
In Stock
Get 9 by Fri, Jul 18
In Stock
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Product Image of Remote Wall/Jacket Mounting Kit for HydroStat w/ 4' Sensor Cord
$61.87 each
In Stock
Get 4 by Fri, Jul 18
In Stock
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Product Image of OS-100 Outdoor Sensor Kit for HydroStat 3200-PLUS and 3250-PLUS
$56.52 each
In Stock
Get 5 by Fri, Jul 18
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
$138.21 each
In Stock
Get 44 by Fri, Jul 18
In Stock
Get 44 by Fri, Jul 18
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Product Image of Model 3000 Fuel Smart HydroStat for Gas Boilers (Temperature Limit, LWCO, & Boiler Reset Control)
$186.94 each
In Stock
Get 13 by Mon, Jul 21
In Stock
Get 13 by Mon, Jul 21
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Product Image of Wire Harness for Connecting Safgard 1100 to Lochinvar Knight and Solution, Weil-McLain Ultra
$28.68 each
In Stock
Get 5 by Fri, Jul 18
In Stock
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Product Image of Safgard 170SV Low Water Cutoff w/ Auto Reset, Shorter Probe - 120V
$126.98 each
In Stock
Get 12 by Fri, Jul 18
In Stock
Get 12 by Fri, Jul 18
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Product Image of EL1214-P, 3/4" NPT Standard Ceramic Probe w/ Long Nut (2-7/8 ID)
$73.36 each
In Stock
Get 3 by Fri, Jul 18
In Stock
Get 3 by Fri, Jul 18
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Product Image of ACU-Temp Temperature Control
ACU-Temp Temperature Control
SKU: 46-2000
Hydrolevel
SKU: 46-2000
Brand: Hydrolevel
(3)
$81.38 each
In Stock
Get 16 by Mon, Jul 21
In Stock
Get 16 by Mon, Jul 21
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Product Image of Water Feeder Valve Assembly - 24V
$121.25 each
In Stock
Get 3 by Fri, Jul 18
In Stock
Get 3 by Fri, Jul 18
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Product Image of Safgard 650 Low Water Cutoff w/ Auto Reset & Test Button/Light - 120V
$179.95 each
In Stock
Get 21 by Fri, Jul 18
In Stock
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Product Image of EL1214-SV, 3/4" NPT Short Ceramic Probe (2-1/16" ID)
$49.03 each
In Stock
Get 7 by Fri, Jul 18
In Stock
Get 7 by Fri, Jul 18
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Product Image of Safgard 500SV Low Water Cutoff w/ Manual Reset & Test Button/Light, Shorter Probe - 24V
$231.97 each
In Stock
Get 8 by Fri, Jul 18
In Stock
Get 8 by Fri, Jul 18
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Product Image of Safgard 750 Low WaterCutoff w/ Manual Reset - 120V
$232.69 each
In Stock
Get 7 by Fri, Jul 18
In Stock
Get 7 by Fri, Jul 18
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Product Image of Wire Harness for Connecting Safgard 1100 and 1100M to Vent Damper Plug On Boiler Control Modules
$23.00 each
In Stock
Get 18 by Mon, Jul 21
In Stock
Get 18 by Mon, Jul 21
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Product Image of HydroStat EW-221, 1/2" NPT Standard Electro-Well w/ Standard Nut
$35.94 each
In Stock
Get 1 by Fri, Jul 18
In Stock
Get 1 by Fri, Jul 18
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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
$28.47 each
In Stock
Get 7 by Mon, Jul 21
In Stock
Get 7 by Mon, Jul 21
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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
$27.34 each
In Stock
Get 1 by Mon, Jul 21
In Stock
Get 1 by Mon, Jul 21
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Product Image of HydroStat EW-222, 1/2" NPT Extended Electro-Well w/ Long Nut for Tankless Coil Boilers
$38.18 each
In Stock
Get 5 by Mon, Jul 21
In Stock
Get 5 by Mon, Jul 21
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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)
$33.24 each
In Stock
Get 1 by Fri, Jul 18
In Stock
Get 1 by Fri, Jul 18
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Product Image of Safgard FS204 General Purpose Liquid Flow Switch for 1" to 6" Pipes w/ NEMA 4 Enclosure
$176.89 each
In Stock
Get 10 by Mon, Jul 21
In Stock
Get 10 by Mon, Jul 21
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Product Image of Safgard 1100H3 Low Water Cutoff w/ Auto Reset & Burner Circuit Test Button - 24V
$111.38 each
In Stock
Get 5 by Fri, Jul 18
In Stock
Get 5 by Fri, Jul 18
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Product Image of Remote Wall/Jacket Mounting Kit for HydroStat w/ 2' Sensor Cord
$63.69 each
In Stock
Get 5 by Fri, Jul 18
In Stock
Get 5 by Fri, Jul 18
Resources
FAQs, Manuals & Videos
Articles
More About Hydrolevel
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.
Filter & Sort
92 items
Reset

SORT

Top Sellers
Default
Price ▲
Price ▼

Product Availability

Show In Stock Only (71)

Product Type

Flow Switch (2)
HVAC Part (3)
Low Water Cutoff (33)
Low Water Cutoff Accessory (41)
Plumbing Part (3)
Water Feeder (10)

Price Range

$15 to $20 (3)
$20 to $25 (3)
$25 to $30 (7)
$30 to $35 (4)
$35 to $40 (7)
$40 to $45 (1)
$45 to $50 (1)
$50 to $60 (3)
$60 to $70 (5)
$70 to $80 (2)
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