The Stanley Fisher 420 Series is engineered for heavy duty sewage handling in residential and commercial wastewater systems. Designed for continuous submerged operation, these pumps provide reliable solids passage and hydraulic stability in demanding sewage applications.
Fully cast iron motor housings, volutes, and pump bodies are protected by an industrial epoxy coating to resist corrosion in aggressive wastewater environments. The recessed vortex impeller design supports dependable solids handling while minimizing clogging in high solids conditions.
Oil filled motor assemblies enhance internal cooling and support operation in elevated fluid temperature environments. Units are available in both 50 Hz and 60 Hz configurations to meet regional installation requirements.
The Stanley Fisher 420 Series is engineered as a heavy duty submersible sewage pump for residential and commercial wastewater systems. The motor housing, pump body, and volute are constructed from cast iron and protected with a durable powder coated epoxy finish for corrosion resistance in aggressive sewage environments.
A recessed vortex impeller design supports reliable solids passage in high solids wastewater conditions while maintaining hydraulic stability during continuous submerged operation. The pump construction is optimized for dependable sewage handling with reduced clogging risk.
An oil filled motor assembly enhances internal heat dissipation and supports operation in elevated fluid temperature environments. Units are designed for full submersion and continuous duty performance and are available in both 50 Hz and 60 Hz configurations.
Residential sewage systems
Commercial wastewater systems
Sewage lift stations
Basement sewage ejector systems
Multi unit residential wastewater handling
Light municipal sewage transfer
Complete technical documentation, performance curves, dimensional drawings, and submittal data for the Stanley Fisher 420 Series are available within the Product Search system. Select a specific model to access frequency specific performance data and downloadable literature.
Documentation includes 50 Hz and 60 Hz configurations, certified hydraulic performance data, dimensional information, installation instructions, and application guidance for residential and commercial sewage systems.