PH Series Hot Water Circulation Pump
Compact circulator pump for domestic hot-water return lines, boiler circulation and small heating water systems.
- Designed for domestic hot-water recirculation and return-line circulation
- Compact inline structure for homes, apartments and light commercial systems
- Suitable for boiler return loops, bathroom hot-water lines and small heating circuits
- OEM / ODM supply support for distributors, contractors and project buyers
Description & Applications
For hot-water return lines, boiler loops and compact heating systems.
The PH Series is a compact hot water circulation pump range for clean-water systems that need regular flow through domestic hot-water return lines and small heating circuits. It is positioned for residential hot-water recirculation, apartment bathroom supply lines, boiler return loops, distributor programs and OEM pump supply where easy installation, stable circulation and practical documentation matter.
Application Scenarios
Where buyers commonly use this pump
Residential Hot-Water Return
For homes, apartments and villas where hot-water return circulation helps improve daily water comfort at taps and showers.
Boiler and Heating Loops
Supports small boiler circulation, heating return lines and compact hydronic systems where steady flow is required.
Light Commercial Water Systems
Suitable for small hotels, shops, offices and service rooms that need a compact hot water circulation pump.
For Buyers & OEM Projects
Share your hot-water circulation or boiler-loop requirements and we will help confirm a suitable PH model and configuration.
Information Needed for Selection
Please provide the medium, required flow, head, voltage/frequency and working temperature. Connection size, installation length and hot-water system details are also helpful.
OEM / ODM Options
Branded packaging, nameplates and selected circulator configurations can be discussed after the model and application are reviewed.
MOQ & Samples
MOQ depends on the confirmed model. Larger pumps may be supplied from one unit; smaller models can be discussed as samples for qualified inquiries.
Documents & Certifications
After model and duty conditions are confirmed, relevant technical documents can be provided. Current certifications include CE, ISO and 3C; applicability is subject to the model and destination market.
Pump Selection
How to Select a Hot Water Circulation Pump
Choose a PH Series hot water circulation pump by the return-line flow requirement, pipe size, system head loss and hot-water temperature. For domestic hot-water recirculation and compact boiler loops, confirm the installation position and the available electrical supply before selecting a model.
- Application: domestic hot-water return, boiler return or small heating loop.
- Hydraulic duty: required flow and total head after pipe and fitting losses.
- Installation: port diameter, inline space, pipe orientation and voltage / frequency.
- Buying support: share your system details for model guidance, OEM / ODM and documentation support.
Pump Selection
How to Select a High-Pressure Peripheral Pump
Select a PH Series pump by matching the pump duty to the system rather than choosing by power alone. This range is suitable for clean-water transfer and high-pressure boosting systems. Please confirm flow and total head, liquid condition, suction arrangement, connection size and power supply before selection.
For OEM, distributor or project requirements, also tell us your destination market, expected quantity and branding or documentation requirements.
- Required flow and total head
- Liquid condition and operating temperature
- Connection, installation and local power supply
- Quantity and OEM, distributor or project requirements
Technical Data
PH Series model and technical parameter table
| Model | Phase | Voltage (V / Hz) | Power (kW) | Max. Head (m) | Rated Head (m) | Max. Flow (m3/h) | Rated Flow (m3/h) | Port Diameter (mm) | Impeller Material |
|---|---|---|---|---|---|---|---|---|---|
| PH043EH | Single phase | 220 / 50 | 0.04 | 4 | 2.5 | 3.6 | 2 | 25 | PPO |
| PH102EH | Single phase | 220 / 50 | 0.12 | 6 | 4 | 10 | 6 | 40 | PPO |
| PH150EH | Single phase | 220 / 50 | 0.125 | 5 | 3 | 15 | 11 | 50 | PPO |
| PH255EH | Single phase | 220 / 50 | 0.2 | 15 | 10 | 6.5 | 3 | 40 | PPO |
| PH256EH | Single phase | 220 / 50 | 0.37 | 8 | 4 | 17.5 | 14 | 65 | PPO |
| PH257EH | Single phase | 220 / 50 | 0.37 | 8 | 4 | 17.5 | 14 | 50 | PPO |
| PH751EH | Single phase | 220 / 50 | 0.75 | 20 | 16 | 18 | 7.8 | 50 | Copper |
| PH752EH | Single phase | 220 / 50 | 0.75 | 20 | 16 | 18 | 7.8 | 65 | Copper |
| PH750EH | Single phase | 220 / 50 | 0.75 | 19 | 10 | 20 | 13 | 80 | Copper |
| PH751QH | Three phase | 380 / 50 | 0.75 | 20 | 16 | 18 | 7.8 | 50 | Copper |
| PH752QH | Three phase | 380 / 50 | 0.75 | 20 | 16 | 18 | 7.8 | 65 | Copper |
| PH750QH | Three phase | 380 / 50 | 0.75 | 19 | 10 | 20 | 13 | 80 | Copper |
| PH1501QH | Three phase | 380 / 50 | 1.5 | 25 | 15 | 25 | 16 | 50 | Iron |
| PH2201QH | Three phase | 380 / 50 | 2.2 | 30 | 20 | 28 | 18.5 | 50 | Iron |
Selection & OEM FAQ
PH Pump FAQ
What is a high-pressure peripheral pump used for?
PH pumps are suitable for clean-water transfer and high-pressure boosting systems within the published operating limits. Confirm the liquid condition and required duty before selection.
How do I choose the right PH model?
Start with required flow and total head, then check the liquid condition, temperature, connections, installation requirements and local voltage.
Can this pump support my application?
It can be considered for compatible duties when the required operating point and liquid condition match the pump curve and published limits.
Can you support OEM or project orders?
Model selection, technical confirmation, quotation and documentation can be discussed after the application, quantity and destination market are confirmed.
Send Your Duty Point for Model Selection
Share flow, total head, liquid condition and power supply to receive a PH pump quotation.
REQUEST A PH PUMP QUOTE