Pentair Myers MDC33T10 1/3 HP Cast Iron Sump Pump Tethered Switch

Myers Pentair MDC33T10 1/3 HP Submersible Sump & Light Effluent Pump with Tethered Switch, 115V

The Myers (Pentair) MDC33T10 is an automatic submersible sump and light effluent pump designed for heavy-duty basement sump, dewatering, and drainage effluent applications. Powered by a 1/3 HP, 115V single-phase motor, this MDC Series pump delivers a maximum flow rate of 47 GPM and up to 24 feet of shut-off head. Equipped with an automatic tethered float switch, carbon and ceramic mechanical shaft seal, and thermal overload protection, it reliably handles drainage effluent containing solids up to 1/2 inch in diameter.

Key Specifications

• Brand / Series: Myers (Pentair) / MDC Series
• Model / Mfg. Number: MDC33T10
• Product Type: Sump Light Effluent Pump
• Application: Basement Sump / Dewatering
• Horsepower: 1/3 HP
• Voltage / Frequency: 115 Volts, 60 Hz
• Phase: 1 Phase
• Current: 9.8 Amps
• Float Switch Type: Tethered
• Operation: Automatic
• Maximum Capacity: 47 GPM
• Shut-off Head: 24 ft
• Discharge Connection: 1-1/2" NPT
• Maximum Solids Size: 1/2"
• Liquids Handling: Drainage effluent
• Lower Casing Volute: Engineered Polymer
• Shaft Seal: Carbon and ceramic
• Acceptable pH Range: 6 - 9
• Thermal Protection: Yes
• Continuous Liquid Temp.: 130°F
• Minimum Sump Diameter: 10"
• Cord Length: 10 ft

Product Features & Fitment

Featuring an engineered polymer lower casing volute and a durable carbon and ceramic mechanical shaft seal, the MDC33T10 is built to process drainage effluent with spherical solids up to 1/2 inch. The tethered float switch provides dependable automatic operation in sump basins with a minimum diameter of 10 inches. With built-in thermal protection, a 130°F continuous liquid temperature rating, and an acceptable pH range of 6–9, this 115V, 9.8 Amp pump offers robust performance for residential and light commercial dewatering systems.