SJE PumpMaster® WPS Wide-Angle Float Switch for Potable Water, NSF/ANSI 61 Certified, 120/240V, 1/2 to 1 HP Control, Includes External Cable Weight

SJE PumpMaster® WPS NSF61 Wide-Angle Float Switch | Non-Mercury | UL, CSA, NSF/ANSI 61 Certified

Versatile Float Switch for Pump Control in Potable Water Systems

The SJE Rhombus PumpMaster® WPS Wide-Angle Float Switch is a high-performance, non-mercury control solution engineered for direct operation of sump, effluent, or sewage pumps in drinking water and wastewater systems. Backed by NSF/ANSI 61 certification, it’s safe for potable water use, making it ideal for cisterns, water tanks, and well systems.

With a rugged wide-angle float design and a single pole, double throw (SPDT) internal switch, this float can be wired for either normally open or normally closed operation, depending on whether you're activating a pump during rising or falling water levels. Its eco-conscious, mercury-free design ensures safe, long-term reliability in both residential and light industrial applications.

Key Features: Safe & Efficient Pump Control

• NSF/ANSI 61 Certified: Approved for use in systems delivering potable water.

• Wide-Angle Mechanical Float: Allows a broader activation range (7–36")—ideal for deeper tanks or variable-level control.

• SPDT Switch (3-Wire): Offers flexible wiring for pump-up (N/C) or pump-down (N/O) applications.

• Eco-Friendly Non-Mercury Design: Safe for the environment and users.

• Powerful Pump Compatibility: Directly controls 120V pumps up to ½ HP and 240V pumps up to 1 HP.

• Includes External Cable Weight: Ensures quick, precise installation and adjustable float positioning.

• Built Tough: Constructed with high-impact corrosion-resistant PVC for durability in tough water environments.

• IPX8 Rated: Fully submersible and resistant to water ingress.

• Made for the Long Run: Backed by a 5-year manufacturer’s warranty.

Internal Links: Discover More Pump Control Solutions

• Float Switches & Accessories – Browse a full range of float switches, cable weights, mounting brackets, and other accessories to build your perfect system.

• Tank Alarm Systems – Monitor fluid levels in real time with high/low alarm systems compatible with float switches like the PumpMaster WPS.

The SJE PumpMaster WPS float switch can be wired to work in either normally open or normally closed applications:

• Normally Open Models (High Level): The control switch turns on (closes) when the float tips slightly above horizontal, signaling a high level, and turns off (opens) when the float drops slightly below horizontal.
• Normally Closed Models (Low Level): The control switch turns on (closes) when the float tips slightly below horizontal, signaling a low level, and turns off (opens) when the float tips slightly above horizontal.

Whether you need to drain a sump pit, refill a cistern, or automate tank levels, the PumpMaster WPS provides dependable and adjustable float-based control.

Upgrade to the SJE PumpMaster WPS for Reliable, Certified Pump Control

Field-proven by professionals in municipal, agricultural, utility, and residential water systems, the SJE PumpMaster® WPS Float Switch delivers dependable, safe, and flexible pump control. With wide compatibility, rugged durability, and NSF/ANSI 61 certification, it’s the smart choice for any application involving clean water management.

Order now and elevate your pump system with a float switch trusted across North America.

NOTE: This switch is not intended to control non-arcing loads.