Best Seller
11 kW 1.89 GPM Smart Spa Electric Spa Tankless Water Heater

11 kW 1.89 GPM Smart Spa Electric Spa Tankless Water Heater

Free Shipping on Over 500K Items!

EcoSmart Electric Tankless Spa and Pool Heaters are designed to provide reliable, efficient, convenient, on demand heating. EcoSmart Spa Heaters operate by utilizing the latest flow sensor technology instead of the traditional pressure switch... more

$475.00

FREE shipping

go to store
18 kW 2.74 GPM Smart Pool Electric Pool Tankless Water Heater

18 kW 2.74 GPM Smart Pool Electric Pool Tankless Water Heater

Free Shipping on Over 500K Items!

EcoSmart Electric Tankless Spa and Pool Heaters are designed to provide reliable, efficient, convenient, on demand heating. EcoSmart Pool Heaters operate by utilizing the latest flow sensor technology instead of the traditional pressure switch... more

$785.62

FREE shipping

go to store
Best Seller
Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 2 gpm Flow Setting, 1" NPT Female

Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 2 gpm Flow Setting, 1" NPT Female

The FS-200 Series offers accurate flow detection, with 1% repeatability, over a broad range of flow settings and port sizes. Its durable construction delivers long-life reliability in either water or oil. Generous flow paths keep pressure drop low.... more

$224.32

FREE shipping

go to store
27 kW 4.07 GPM Smart Pool Electric Pool Tankless Water Heater

27 kW 4.07 GPM Smart Pool Electric Pool Tankless Water Heater

Free Shipping on Over 500K Items!

EcoSmart Electric Tankless Spa and Pool Heaters are designed to provide reliable, efficient, convenient, on demand heating. EcoSmart Pool Heaters operate by utilizing the latest flow sensor technology instead of the traditional pressure switch... more

$843.18

FREE shipping

go to store
Hayward Pool Products P-KIT Goldline Turbo Cell Flow Switch And Union Kit, As Shown

Hayward Pool Products P-KIT Goldline Turbo Cell Flow Switch And Union Kit, As Shown

This is a plumbing kit required when adding salt chlorination to Pro Logic control systems. This Hayward Goldline Controls is a plumbing kit required when upgrading your Pro Logic or Aqua Logic control systems in order to add a salt water chlorinator.... more

$60.10

FREE shipping

go to store
EcoSmart SMART POOL 27 Electric Tankless Pool Heater, 27kW, 240 Volt, 112.5 Amps with Self Modulating Technology

EcoSmart SMART POOL 27 Electric Tankless Pool Heater, 27kW, 240 Volt, 112.5 Amps with Self Modulating Technology

Ecosmart Pool Heaters operate by utilizing the latest flow sensor technology instead of the traditional pressure switch activation to reduce the risk of burned elements, which increases its reliability and longevity. The Smart POOL series comes with... more

$836.46

FREE shipping

go to store
Hayward Goldline Replacement Flow Switch GLX-FLO-RP With PVC 'T', Blue

Hayward Goldline Replacement Flow Switch GLX-FLO-RP With PVC 'T', Blue

Hayward Goldline Replacement Flow Switch GLX-FLO-RP with PVC T One of the most important parts of a swimming pool is its water flow switch or sail switch. A flow switch connects to a pools chlorinator or saline generating system as a safety device to... more

$54.70

FREE shipping

go to store
T&S 016647-45 ChekPoint Sensor Control Module with Flow Control Setting Switches

T&S 016647-45 ChekPoint Sensor Control Module with Flow Control Setting Switches

Keep your faucet working properly with the T&S 016647-45 ChekPoint sensor control module! This module features flow control setting switches to ensure your faucets are dispensing water at the proper rate for your business. It's designed to easily mount... more

$232.20 $139.99

go to store
Gems Sensors FS-10798 Series Brass Flow Switch For Use With Water, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

Gems Sensors FS-10798 Series Brass Flow Switch For Use With Water, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

FS-10798 Series - Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They... more

$424.00

FREE shipping

go to store
Insten Automatic LED Water Faucet Stream Light 7 Colors Glow Shower Pink/Red/Purple/Blue/Green/Gray/Yellow/Light

Insten Automatic LED Water Faucet Stream Light 7 Colors Glow Shower Pink/Red/Purple/Blue/Green/Gray/Yellow/Light

7 Colors LED Changing Faucet Note: LED switches due to water flow but NOT change of water temperature Transform the stream of water from faucet into a beautiful waterfall of light Item Color: Silver LED Emitting Color: Red, Pink, Purple, Deep Blue,... more

$26.99 $6.99

FREE shipping

go to store
G1/2' Hall Effect Liquid Water Flow Sensor Switch Flowmeter 1-30L/min SEN-HZ21FE, Brown

G1/2' Hall Effect Liquid Water Flow Sensor Switch Flowmeter 1-30L/min SEN-HZ21FE, Brown

Copper material, small size, easy to install. The water flow sensor is applied for water heater, and can be used as flow switch. Maximum water pressure: 1.75MPa, flow range: 1-30L/min. Stable, high temperature, low water pressure start, safe. Size:... more

$7.98

go to store
T&S 017493-45 ChekPoint Sensor Control Module with Flow Control and Manual Bypass Tee

T&S 017493-45 ChekPoint Sensor Control Module with Flow Control and Manual Bypass Tee

Keep your faucet working properly with the T&S 017493-45 sensor control module! This module features flow control setting switches to ensure your faucets are dispensing water at the proper rate for your business. It's designed to easily mount on your... more

$149.99

go to store
T&S 017493-45 ChekPoint Sensor Control Module with Flow Control and Manual Bypass Tee

T&S 017493-45 ChekPoint Sensor Control Module with Flow Control and Manual Bypass Tee

Keep your faucet working properly with the T&S 017493-45 sensor control module! This module features flow control setting switches to ensure your faucets are dispensing water at the proper rate for your business. It's designed to easily mount on your... more

$242.50 $149.99

go to store
Unique Bargains 26mm Thread Ports Circulation Pump Water Heater Flow Sensor Switch

Unique Bargains 26mm Thread Ports Circulation Pump Water Heater Flow Sensor Switch

Used for water heaters, automatic water dispensers, good flow monitor devices. For CALIFORNIA residents only: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Please... more

$36.99 $18.09

FREE shipping

go to store
G1/2" Thread Hall Effect Water Flow Sensor Switch Flowmeter 1-30L/min 75mm Long

G1/2" Thread Hall Effect Water Flow Sensor Switch Flowmeter 1-30L/min 75mm Long

Descriptions: 1. The Water Flow Sensor is light, nimble outline, small size and easy to install. The bearings used in the rotating part. All materials are in line with ROHS testing standards. 2. There is an integrated magnetic hall effect sensor that... more

$25.99 $12.92

FREE shipping

go to store
G1/2" Thread Hall Effect Water Flow Sensor Switch Flowmeter Meter 1.25-30L/min

G1/2" Thread Hall Effect Water Flow Sensor Switch Flowmeter Meter 1.25-30L/min

Descriptions: 1. The Water Flow Sensor is light, nimble outline, small size and easy to install. The bearings used in the rotating part. All materials are in line with ROHS testing standards. 2. There is an integrated magnetic hall effect sensor that... more

$22.99 $11.44

FREE shipping

go to store
Rainspa 9-Setting High-Power Ultra-Luxury Handheld Showerhead Chrome

Rainspa 9-Setting High-Power Ultra-Luxury Handheld Showerhead Chrome

RainSpa's High-Power Handheld Showerhead has a lever that will click through 9 Settings for perfect water flow. The on/off/pause switch is conveniently at your fingertips for instant control. An overhead bracket is adjustable for hands-free showering more

$29.99

FREE shipping

go to store
Grohe 30 313 LadyLux Café Pull-Down Spray Kitchen Faucet with Foot

Grohe 30 313 LadyLux Café Pull-Down Spray Kitchen Faucet with Foot

Grohe 30 313 Features: Faucet body constructed of brass Pullout spray faucet head with dual spray; switch between regular flow and spray High-arch gooseneck spout Activatation of cold water via contact with sensor Automatic safety shut off after 60... more

$949.00 $664.30

go to store
Grohe 30 205 LadyLux Café Pull-Down Spray Kitchen Faucet with Touch

Grohe 30 205 LadyLux Café Pull-Down Spray Kitchen Faucet with Touch

Grohe 30 205 Features: Faucet body constructed of brass Pullout spray faucet head with dual spray; switch between regular flow and spray High-arch gooseneck spout Activatation of cold water via skin touch Automatic safety shut off after 60 seconds... more

$789.00 $552.30

go to store
Grohe 30 313 LadyLux Café Pull-Down Spray Kitchen Faucet with Foot

Grohe 30 313 LadyLux Café Pull-Down Spray Kitchen Faucet with Foot

Grohe 30 313 Features: Faucet body constructed of brass Pullout spray faucet head with dual spray; switch between regular flow and spray High-arch gooseneck spout Activatation of cold water via contact with sensor Automatic safety shut off after 60... more

$799.00 $559.30

go to store
Gems Sensors FS-10798 Series Brass Flow Switch For Use With Water, Inline, Piston Type, With Lead Wires, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

Gems Sensors FS-10798 Series Brass Flow Switch For Use With Water, Inline, Piston Type, With Lead Wires, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

FS-10798 Series - Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They... more

$397.00

FREE shipping

go to store
Hayward HPX2181 Water Flow Pressure Switch Replacement for Hayward Heatpro Heat Pump

Hayward HPX2181 Water Flow Pressure Switch Replacement for Hayward Heatpro Heat Pump

This water flow pressure switch is designed to use with Hayward HeatPro heat pump models HP6003T, HP11003T, HP21003T, HP21203T, HP2100TCO3T. Weighs 1.3-pound. more

$44.99

FREE shipping

go to store
Gems Sensors FS-10798 Series Stainless Steel 316 Flow Switch For Use With Liquids, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

Gems Sensors FS-10798 Series Stainless Steel 316 Flow Switch For Use With Liquids, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

FS-10798 Series - Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They... more

$704.31

FREE shipping

go to store
Gems Sensors FS-10798 Series Brass Flow Switch For Use With Gases, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

Gems Sensors FS-10798 Series Brass Flow Switch For Use With Gases, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

FS-10798 Series - Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They... more

$411.02

FREE shipping

go to store
Gems Sensors FS-10798 Series Stainless Steel 316 Flow Switch For Use With Liquids, Inline, Piston Type, With Lead Wires, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

Gems Sensors FS-10798 Series Stainless Steel 316 Flow Switch For Use With Liquids, Inline, Piston Type, With Lead Wires, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

FS-10798 Series - Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They... more

$661.07

FREE shipping

go to store
Gems Sensors FS-10798 Series Brass Flow Switch For Use With Oil, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

Gems Sensors FS-10798 Series Brass Flow Switch For Use With Oil, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

FS-10798 Series - Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They... more

$412.00

FREE shipping

go to store
Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 4 gpm Flow Setting, 1" NPT Female

Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 4 gpm Flow Setting, 1" NPT Female

The FS-200 Series offers accurate flow detection, with 1% repeatability, over a broad range of flow settings and port sizes. Its durable construction delivers long-life reliability in either water or oil. Generous flow paths keep pressure drop low.... more

$208.64

FREE shipping

go to store
Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 0.1 gpm Flow Setting, 1/4" NPT Female

Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 0.1 gpm Flow Setting, 1/4" NPT Female

FS-927 Series - Small Design for Tight Instrumentation Packages. Measuring only 1˝ x 2-3/4˝, these compact switches are ideal for use where space is at a premium. Designed for use with water and oil, these switches are suitable for high volume OEM... more

$104.00

FREE shipping

go to store
Gems Sensors FS-400 Series Bronze Flow Switch, Elbow, Shuttle Type, 10 gpm Flow Setting, 3/4" NPT Female

Gems Sensors FS-400 Series Bronze Flow Switch, Elbow, Shuttle Type, 10 gpm Flow Setting, 3/4" NPT Female

FS-400 Series - General Purpose, 90 Degree Flow Path. Provides accurate flow detection in water and oil with 1% repeatability. Flow settings on the adjustable version can be easily changed without disassembly. A shuttle by-pass vane inside the housing... more

$177.00

FREE shipping

go to store
Gems Sensors FS-200 Adjustable Series Bronze Flow Switch, Inline, Shuttle Type, 2.0 - 8.0 gpm Flow Setting Adjustment Range, 1" NPT Female

Gems Sensors FS-200 Adjustable Series Bronze Flow Switch, Inline, Shuttle Type, 2.0 - 8.0 gpm Flow Setting Adjustment Range, 1" NPT Female

The FS-200 Series offers accurate flow detection, with 1% repeatability, over a broad range of flow settings and port sizes. Its durable construction delivers long-life reliability in either water or oil. Generous flow paths keep pressure drop low.... more

$221.00

FREE shipping

go to store
Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 5 gpm Flow Setting, 1" NPT Female

Gems Sensors FS-200 Series Bronze Flow Switch, Inline, Shuttle Type, 5 gpm Flow Setting, 1" NPT Female

The FS-200 Series offers accurate flow detection, with 1% repeatability, over a broad range of flow settings and port sizes. Its durable construction delivers long-life reliability in either water or oil. Generous flow paths keep pressure drop low.... more

$203.00

FREE shipping

go to store
Gems Sensors FS-400 Series Bronze Flow Switch, Elbow, Shuttle Type, 0.75 gpm Flow Setting, 3/4" NPT Female

Gems Sensors FS-400 Series Bronze Flow Switch, Elbow, Shuttle Type, 0.75 gpm Flow Setting, 3/4" NPT Female

FS-400 Series - General Purpose, 90 Degree Flow Path. Provides accurate flow detection in water and oil with 1% repeatability. Flow settings on the adjustable version can be easily changed without disassembly. A shuttle by-pass vane inside the housing... more

$177.00

FREE shipping

go to store
Gems Sensors FS-10798 Series Stainless Steel 316 Flow Switch For Use With Gases, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

Gems Sensors FS-10798 Series Stainless Steel 316 Flow Switch For Use With Gases, Inline, Piston Type, With 1/2" Conduit Connector, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

FS-10798 Series - Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They... more

$686.72

FREE shipping

go to store
Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 0.5 gpm Flow Setting, 1/4" NPT Female

Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Open, 0.5 gpm Flow Setting, 1/4" NPT Female

FS-927 Series - Small Design for Tight Instrumentation Packages. Measuring only 1˝ x 2-3/4˝, these compact switches are ideal for use where space is at a premium. Designed for use with water and oil, these switches are suitable for high volume OEM... more

$104.00

FREE shipping

go to store
Gems Sensors FS-10798 Series Stainless Steel 316 Flow Switch For Use With Gases, Inline, Piston Type, With Lead Wires, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

Gems Sensors FS-10798 Series Stainless Steel 316 Flow Switch For Use With Gases, Inline, Piston Type, With Lead Wires, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

FS-10798 Series - Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They... more

$661.07

FREE shipping

go to store
Gems Sensors FS-10798 Series Brass Flow Switch For Use With Gases, Inline, Piston Type, With Lead Wires, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

Gems Sensors FS-10798 Series Brass Flow Switch For Use With Gases, Inline, Piston Type, With Lead Wires, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

FS-10798 Series – Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They... more

$397.00

FREE shipping

go to store
Gems Sensors FS-10798 Series Brass Flow Switch For Use With Oil, Inline, Piston Type, With Lead Wires, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

Gems Sensors FS-10798 Series Brass Flow Switch For Use With Oil, Inline, Piston Type, With Lead Wires, 0.50 - 20 gpm Flow Setting Adjustment Range, 1/2" NPT Female

FS-10798 Series - Externally Adjustable for Water, Oils and Gases. These externally adjustable switches are ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant or to assure proper air flow. They... more

$65.51

FREE shipping

go to store
Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Closed, 0.25 gpm Flow Setting, 1/4" NPT Female

Gems Sensors FS-927 Series Brass Compact Flow Switch, Elbow, Piston Type, Normally Closed, 0.25 gpm Flow Setting, 1/4" NPT Female

FS-927 Series - Small Design for Tight Instrumentation Packages. Measuring only 1˝ x 2-3/4˝, these compact switches are ideal for use where space is at a premium. Designed for use with water and oil, these switches are suitable for high volume OEM... more

$104.00

FREE shipping

go to store
Gems Sensors FS-927 Series Stainless Steel 316 Compact Flow Switch, Elbow, Piston Type, Normally Open, 0.75 gpm Flow Setting, 1/4" NPT Female

Gems Sensors FS-927 Series Stainless Steel 316 Compact Flow Switch, Elbow, Piston Type, Normally Open, 0.75 gpm Flow Setting, 1/4" NPT Female

FS-927 Series - Small Design for Tight Instrumentation Packages. Measuring only 1˝ x 2-3/4˝, these compact switches are ideal for use where space is at a premium. Designed for use with water and oil, these switches are suitable for high volume OEM... more

$360.00

FREE shipping

go to store
Gems Sensors FS-400 Series Bronze Flow Switch, Elbow, Shuttle Type, 2 gpm Flow Setting, 3/4" NPT Female

Gems Sensors FS-400 Series Bronze Flow Switch, Elbow, Shuttle Type, 2 gpm Flow Setting, 3/4" NPT Female

FS-400 Series - General Purpose, 90 Degree Flow Path. Provides accurate flow detection in water and oil with 1% repeatability. Flow settings on the adjustable version can be easily changed without disassembly. A shuttle by-pass vane inside the housing... more

$177.00

FREE shipping

go to store