What is the difference of water heat exchanger between circulating and instant type?

Water heat exchanger: tube-in- shell for cycle heating models, and tube-in-tube for direct heating models.

18kw Direct Hot Water 60~80degrees Heat Pump Water Heater

Name: 18kw Direct Hot Water 60~80degrees Heat Pump Water Heater
Brand: FOSHAN BLUEWAY ELECTRIC APPLIANCES CO., LTD.
SKU: 1952036005

Guangdong, ChinaFOSHAN BLUEWAY ELECTRIC APPLIANCES CO., LTD.

US$600.00-1,500.00

1 Set

Product profile

Customization

Available

Certification

RoHS, CB, CCC, ISO9001, CE

Working Medium

R22/R407c/R417A

Model NO.

CHW-005I (5HP)

Heat Source Type

Air Source Heat Pump

Colour

Grey/White

Service

OEM

Control

WiFi/RS485

Controller

Wired Controller

Heating Capacity

19kw

Water Heat Exchanger

High Efficiency Tube-in-Tube

Optional Water Pump

Wilo/Shinhoo Water Pump

Type

Compact

Transport Package

Carton+Wooden Pallet for Container Order

Specification

5HP

Trademark

Blueway

Origin

Guangdong, China

HS Code

8418612090

Production Capacity

1000 Sets/Month

Key features

High Efficiency Heat Exchanger: Tube-in-shell for circulating models and tube-in-tube for instant models with 3.7x heat transfer area.

Energy Saving Performance: Circulating models save over 2/3 energy compared to electric heaters with COP up to 4.95.

OEM/ODM Customization: Full customization available including color (Grey/White), controller type, and water pump brands.

Versatile Applications: Ideal for houses, hotels, hospitals, schools, and villas with stable hot water supply.

Anti-Legionella Function: Includes automatic anti-legionella function to ensure water safety on regular intervals.

Company profile

Years of Export ExperienceExhibition ExperienceR&D CapabilitiesProduct Certification

FOSHAN BLUEWAY ELECTRIC APPLIANCES CO., LTD.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 Years CertifiedNearest Port: Guangzhou Port, Shenzhen Port, Shunde PortAverage Response Time: ≤8.37h

AI-Powered supplier vetting

SummaryBlueway is identified as a professional technical supplier serving refrigeration, air-conditioning, machinery, plastic, metal-structure, and lighting-related markets. It reports ISO9001:2015 and ISO14001:2015 certifications, broad customization and 3D design services, available SDK support, and more than 10,000 successful engineering solutions. Production information includes four production lines, stated air-conditioner and commercial air-to-water heat-pump output, one-month lead times, and export activity covering South America, Southeast Asia/Mideast, and Europe. The supplier has inventory capability and documented quality and supplier-management procedures, but lacks a valid manufacturing-capacity contract with factories or related subcontractors, overseas warehouse capability, and overseas showroom capability. Financial records are indicated for multiple years, but no actual financial results are provided.

Supplier typeThe supplier is explicitly identified as a professional technical supplier. Its stated business scope covers refrigeration and air-conditioning equipment, household appliances, environmental-protection equipment, plastics, metal processing, metal structures, and lighting products, indicating a diversified industrial equipment and manufacturing profile.

CertificationsThe supplier reports ISO9001:2015 and ISO14001:2015 certificates, and also lists CCC and CE among its sustainable-development and product certification capabilities. The evidence supports established quality and environmental management certification, although the validity or scope of each product certification is not specified.

After-Sales capabilityThe supplier has documented finished-product inspection instructions, written procedures for service-capability assessment, an approved supplier base of 500, inventory capability, and one-month stated lead times. However, it has no overseas warehouse or overseas showroom capability, so the evidence supports operational service capacity but not comprehensive overseas support.

R&D capabilityThe supplier reports professional technical R&D capability, 3D software design services, available SDK support, five years of total R&D-engineer experience, and more than 10,000 successfully provided engineering solutions. These statements provide explicit evidence of technical development and solution-design capability.

Production capacityThe supplier reports four production lines, stated output of 400,000 air-conditioner sets and 20,000 commercial air-to-water heat-pump sets, one-month peak and off-season lead times, and in-stock capability. A material limitation is that there is no valid contract governing manufacturing capacity with factories or related subcontractors, creating a documented capacity-governance weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, flexible customization, and minor customization, together with 3D software design services. This indicates broad customization coverage across different customer input types and project scopes.

Client casesThe company states that it has provided more than 10,000 engineering solutions successfully to worldwide partners. This is direct evidence of substantial solution-delivery experience, but the slices do not identify customer names, industries, project details, or independently verifiable case studies.

Product Q&A

Q:Does the unit come with a built-in water pump?

Generally, domestic type adopts built-in water pump as standard. Wilo or Shinhoo (Chinese domestic brand) are optional.

Q:What is the packaging method?

Export plywood pallet.

Q:What refrigerant types are used?

R22/R407c/R417a.

Q:How long is the production period?

Circulating Hot Water Heat Pump mainly depends on the raw material & production plan. Generally, It takes about 15 working days. If for customized type, which may takes about 35 working days.

Q:What is the minimum purchasing quantity?

Sample order is workable.