Grid Controls Flow Switch [M-1] [1A] [1-1/2" Slip] (M-1)

Heater Parts
Grid Controls
M-1
26-340-1021
57-F4-1000-WHT
COMPARE AT $152.99
OUR PRICE $135.99
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Under 25 lbs. Contiguous USA
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A flow switch helps verify water movement in a compatible system so connected equipment can respond appropriately to actual flow conditions, and this Grid Controls M-1 version is a 1 amp model with a 1-1/2 inch slip connection using the M-1 reference. Flow switches like this are useful where system protection depends on confirming that water is moving before operation continues.

The light-duty 1 amp configuration gives this part practical value for control-style applications rather than heavy direct load switching. A properly selected flow switch helps support cleaner safety logic and contributes to more dependable equipment protection in compatible systems.

This type of part is especially useful when replacing a failed switch that is no longer responding consistently to actual flow conditions. That helps restore a more dependable control pathway without unnecessary changes to the rest of the system.

Installed in the proper application, this flow switch helps support better flow verification and cleaner overall equipment protection.

  • M-1 flow switch rated at 1 amp with 1-1/2 inch slip connection
  • Helps verify water movement in compatible systems
  • Useful for restoring dependable flow-based control
  • Supports cleaner equipment protection logic
  • Improves service confidence and operational safety
Grid Controls – Control Systems, Energy Management and Pool & Spa Automation Components
Who is Grid Controls?

Grid Controls is a provider of control systems and energy management solutions used in commercial, industrial, and specialty equipment applications, including pool and spa systems. Known for reliability and efficiency, Grid Controls develops components that help regulate system operation, monitor performance, and optimize energy usage. Their products are commonly used where precise control and automation are essential.

What products does Grid Controls specialize in?

Grid Controls specializes in control devices, automation components, and energy management systems. Their product lineup includes controllers, sensors, monitoring devices, and system integration components designed to manage equipment operation and improve efficiency. These products are used in pool and spa systems to help regulate pumps, heaters, and overall system performance.

Why choose Grid Controls parts for your pool or spa?

Grid Controls products are known for dependable performance, system efficiency, and advanced control capabilities. Their components help automate processes, reduce energy consumption, and improve system reliability. Professionals choose Grid Controls for solutions that support consistent operation and optimized performance in demanding environments.

How do you identify and choose the correct Grid Controls part?

To select the correct Grid Controls component, it’s important to match specifications such as control type, voltage, system compatibility, and application requirements. Reviewing part numbers and system configurations ensures proper fit and performance. Choosing the right component helps maintain efficient operation and reliable system control.

Need help finding the right Grid Controls part?

At Bath & Spa Parts Online, we carry a wide selection of Grid Controls pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.

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