Davey D42A/B High Head Drainage Pump

Davey D42A/B High Head Drainage Pump

The Davey D42A/B is a commercial-grade, high head residential drainage pump built for demanding water removal applications. Whether you're emptying a sump pit, clearing flood water from a basement, managing a rising water table, or transferring treated effluent, the D42A/B delivers the reliability and head performance to get the job done — backed by Davey's 2-year commercial guarantee.

Engineered with a closed impeller centrifugal design, double mechanical seal, and an all-stainless steel shaft and motor shell, the D42A/B is less susceptible to blockages of the pump or pipework and built for long service life in corrosive and demanding environments across New Zealand.

Key Features

• Closed Impeller Centrifugal Design — general purpose dewatering design is less susceptible to blockages of the pump or pipework
• Double Mechanical Seal — one in oil bath on motor plus an extra mechanical seal on pump for superior reliability and long service life
• 304 Stainless Steel Shaft, Motor Shell & Fasteners — corrosion resistant construction provides an attractive, lasting appearance and ensures long service life
• Cast 316 Stainless Steel Motor Caps — outstanding corrosion resistance combined with super tough engineered thermoplastic pump casing for long life
• Centrifugal Multistage Design — 2 and 3 impeller configurations deliver higher pressures and increased efficiency for high head applications
• Closed Vane Impellers with Long Engagement "D" Drives — positive operation and long service life
• Patented Independently Floating Neck Rings — outstanding pump performance and extended pump life
• Corrosion Resistant Polycarbonate Impellers — hard wearing construction for long service life
• Stainless Steel Fine Mesh Suction Strainer — large surface area prevents blockages from solids entering the pump
• Automatic Resetting Thermal Overload — automatically resets to protect the motor in the event of blockage or voltage supply problems
• HO7RNF Oil Resistant Leads — 10 metres long for flexible installation in wet environments
• 2 Year Commercial Guarantee — backed by Davey's manufacturer warranty

Technical Specifications

• Model: D42A/B
• Type: Centrifugal multistage submersible drainage pump
• Max. flow: 120 lpm
• Motor power: 0.6 kW
• Impeller stages: 2 or 3 impeller design
• Impeller type: Closed vane centrifugal
• Shaft: 304 stainless steel
• Motor shell: 304 stainless steel
• Motor caps: Cast 316 stainless steel
• Pump casing: Engineered thermoplastic
• Impellers: Corrosion resistant polycarbonate
• Seal: Double mechanical seal (oil bath + pump seal)
• Thermal protection: Automatic resetting thermal overload
• Cable: HO7RNF oil resistant, 10m

Ideal For

Non-potable rainwater applications, lawn and garden irrigation, sump emptying to higher heads, basement flood water removal, treated effluent disposal, and water transfer from wells across New Zealand. Ideal where the water table is above the foundation or where high head performance is required from a compact, reliable submersible pump.