What material is used to construct this pump?

This pump is constructed from cast iron, featuring a centrifugal structure designed for durability.

Does the pump require electric start-up?

Yes, the pump utilizes an electric start-up mechanism for reliable and efficient operation.

Is OEM service available for this product?

Yes, the product supports OEM service, and the company has a long history of providing OEM solutions.

High Efficiency 220 Volt Hot Water Automatic Circulation Pump for Home Bathroom Whm25-40/180

Name: High Efficiency 220 Volt Hot Water Automatic Circulation Pump for Home Bathroom Whm25-40/180
Brand: Sentech (Ningbo) Technology & Development Co., Ltd
SKU: 2064566612

Zhejiang, ChinaSentech (Ningbo) Technology & Development Co., Ltd

US$18.29-21.44

100 Pieces

Sample price:US$40.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

WHM25-40/180

Max.Head

<10m

Max.Capacity

<50 L/min

Driving Type

Motor

Material

Cast Iron

Structure

Centrifugal Pump

Assembly

Pipeline Pump

Power

Electric

Start Up

Electric Pump

Type

Positive-Displacement Pump

Application

Clarified Water Pump

Industry

Water Pump

Media

Clean Water

Performance

Automatic Pump

Theory

Centrifugal Pump

Trade Mark

Hright,OEM

Orign

China

Color

Customized Color

Packaging Box

Customized

Transport Package

Carton

Specification

12PCS/CTN

Trademark

ISO, CE

Origin

China

HS Code

841370

Production Capacity

5000PCS/Month

Key features

Customized Color and Packaging: Offers customized color options and customized packaging box for branding needs.

12-Month Warranty Coverage: Covers material and workmanship defects with free repair or replacement for 12 months.

PWM Control Mode: Externally controlled via signal cable with no user interface for precise automation.

7 Control Curves Available: Includes 2 proportional, 2 constant pressure, 1 auto-adapt, and 1 max power curves.

Cast Iron Construction: Durable centrifugal pump structure made from high-quality cast iron material.

High Flow Capacity: Delivers up to 50 liters per minute with a maximum head under 10 meters.

Electric Start-Up: Fully electric start-up mechanism for reliable and efficient operation.

OEM Service Provider: Established OEM service provider with over 20 years of industry experience.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language PioneerR&D Capabilities

Sentech (Ningbo) Technology & Development Co., Ltd

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2010-02-10Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤3.03hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummarySentech (Ningbo) Technology & Development Co., Ltd is identified as a Chinese private limited company and manufacturer/factory, although another record describes the supplier type as a trading company. Its offered products are pumps and ladders, with stated water-pump output of 1,000,000 pieces and 6–10 quality-control staff. The supplier reports BSCI, ISO 14001, and ISO 9001 certifications, plus 6–10 years of total R&D engineer experience. It supports customization from samples, designs, minor customization, and flexible customization, and reports new products during the past year. However, it does not provide ODM services, has no available SDK, and does not provide OEM services for popular brands. Financial records are identified for 2021–2023, but their performance is not disclosed. Audit information identifies TÜV Rheinland and an audit period from September 10, 2024 to September 9, 2025, but the evaluation result is not interpretable from the supplied value. No customer cases or after-sales service...

CertificationsThe supplier reports BSCI, ISO 14001, and ISO 9001 certifications. A TÜV Rheinland audit is also recorded for September 10, 2024 through September 9, 2025, but the supplied audit result value cannot be interpreted as a pass or failure.

R&D capabilityThe supplier reports new products during the past year and has 6–10 years of total R&D engineer experience. Conversely, it has no available SDK and does not provide ODM services; the evidence supports some R&D activity but not a complete technology-development offering.

Production capacityThe supplier reports a factory location, 6–10 quality-control staff, annual water-pump output of 1,000,000 pieces, and an annual production-output range. Its listed products are pumps and ladders, although the conflicting manufacturer/trading-company classifications introduce some uncertainty about the operating model.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, minor customization, and flexible customization. This is direct evidence of broad customization support, despite the separate absence of ODM services.

Product Q&A

Q:What is the warranty period for this pump?

We provide a 12-month warranty covering defects in material and workmanship, including free repair or replacement.

Q:Can the color and packaging be customized?

Yes, we offer customized color options and customized packaging boxes to meet your specific branding requirements.

Q:What are the control modes available for the WHM AUTO version?

The AUTO version features a user interface with 7 control curves: 2 proportional pressure, 2 constant pressure, 1 auto-adapt, and 1 maximum power curve.

Q:How does the PWM version operate?

The PWM version is externally controlled via a signal cable with no user interface, enabling precise signal-based control.

Q:What is the maximum flow capacity and head of this pump?

The pump has a maximum capacity of under 50 liters per minute and a maximum head of under 10 meters.