M210 Water Flowswitch – Reliable Low Flow Protection
The M210 Water Flowswitch by Grid Controls is engineered for precision and durability in low-flow applications. Designed with a 1″ PVC slip fitting and a 1/2″ electrical conduit connection, this switch activates at flow rates of 1.0 GPM and above, making it ideal for safeguarding equipment such as pumps, heating elements, solar systems, and pool cleaners.
- Electrical Rating: 10 AMP
- Max Line Pressure: 60 PSI
- Temperature Range: Up to 110°F continuous
- Wetted Materials: PVC, Polypropylene, Buna N, Stainless Steel
- Optional Features: Pre-wired 110V receptacle box and power cord (max 15 AMP or 1800 WATTS total)
- Applications: Water treatment systems including ozone generators and UV systems
- Installation: Horizontal mounting required; use in filtered liquids only
This model is factory-calibrated for optimal performance and includes safety features to prevent damage from incorrect wiring or cement intrusion during installation
M310 Water Flowswitch – High-Performance Flow Control
The M310 Water Flowswitch offers robust flow detection for demanding environments. With a set point of 1.0 GPM and up, it supports both 10 AMP and optional 25 AMP configurations, capable of switching motors up to 1 HP at 125 VAC and 2 HP at 250 VAC.
- Electrical Rating: 10 AMP or 25 AMP
- Max Line Pressure: 100 PSI
- Temperature Range: Up to 110°F continuous
- Wetted Materials: PVC, Polypropylene, Buna N, EP
- Optional Features: Pre-wired 110V receptacle box and power cord
- Applications: Booster pump protection, solar systems, pool cleaners, ozone and UV water treatment
- Installation: Horizontal mounting required; use in filtered liquids only
Built with non-metallic wetted surfaces to prevent calcification, the M310 is ideal for long-term reliability in corrosive or high-debris environment.
