4‑Inch Brushless DC Screw Solar Submersible Pump, Deep Well Screw Pump for Remote Farm

Our 4‑inch screw solar submersible pump adopts high‑efficiency brushless DC motor, specially designed for deep‑well water lifting in off‑grid regions. The screw rotor structure delivers stable water flow even when pumping water with tiny sediment, greatly adapting to complex well water conditions.
 
The pump body is made of premium stainless steel, anti‑rust and corrosion‑resistant for long‑term underwater operation. Brushless motor brings low noise, lower heat generation and extended service life compared with traditional brushed pumps. The screw core is a wearable component, and spare screw parts are available for easy on‑site replacement, which cuts your later maintenance cost.
 
Driven directly by solar panels, it requires no AC grid power. It works reliably under variable sunlight, perfect for areas without stable electricity access. Compact 4‑inch diameter fits standard 4‑inch well bore, convenient for installation inside deep wells.
 
Main Applications
‑ Deep well water extraction for farm irrigation, orchard watering and vegetable field irrigation
‑ Drinking water supply for livestock farms including cattle, sheep and poultry
‑ Domestic water supply for remote villages, mountain houses and off‑grid cabins
‑ Water diversion for small ponds, water tanks and rural water storage projects
 
Core Advantages
✅ 4‑inch diameter, fits standard 4‑inch deep well
✅ High‑performance brushless DC motor, low noise & long working life
✅ Screw pump design, good tolerance for slight sediment in well water
✅ Stainless steel pump housing, anti‑corrosion for underground well water
✅ Run purely on solar panels, no grid power needed
✅ Wear‑resistant screw rotor, spare parts supported for simple maintenance
✅ Stable water output under weak sunshine conditions
 
Different power models are optional. Please contact us if you need technical support or model selection according to your actual well depth and water demand.

Buyer Notice
 
All prices displayed on our Shopify store include courier shipping cost. We ship orders via commercial express such as UPS, DHL or FedEx. These premium express services provide fast door‑to‑door delivery, yet the express freight rate is relatively high as general market situation.
 
This pricing applies for small‑quantity retail orders.
If you are wholesaler, reseller or project buyer with bulk order (several units to dozens of units), sea shipping is available for large shipments. Please contact us directly to get a separate wholesale quotation, we will offer you competitive bulk price and sea‑shipping solution according to your order quantity and destination country.
 
Customs & Import Duties
 
1. For retail express shipments shipped by UPS / DHL / FedEx:
Import duties, taxes and clearance fees vary from country to country. Please note that it is the buyer’s responsibility to be aware of local import regulations and any possible local tax or customs charges incurred upon arrival.
2. If we arrange DDP (duty‑paid) service for certain destination as agreed, import tax will be covered by us, which will be clearly stated in our separate quotation. Without special written agreement, our store online price does NOT include import duties and local customs fees of destination country.
 
Order & Payment
 
Our Shopify website supports retail online checkout for individual customers. For bulk wholesale orders, we can provide offline payment channels upon request. Please send us message to discuss wholesale terms if you need large‑volume purchase.
 
Product & Compatibility
 
All solar water pumps are strictly tested before shipment. Please read product specification, working condition and parameter carefully before placing your order. Confirm pump head, flow rate, power, medium requirement and local water quality match your actual usage scenario.
The pump must be operated under specified working conditions. Damages caused by wrong installation, improper operation or working beyond parameter range will not be covered under warranty.
 
Delivery Time
 
Retail express orders normally take 8‑12 working days for delivery after order and payment confirmed. For bulk sea shipments, transit time will be quoted separately according to port and schedule.
 
After‑sales Support
 
Please contact our customer service first if you meet any technical or product‑related issues. Do not return goods or open dispute without prior communication. We will provide professional technical guidance and after‑sales solution for you.