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Grundfos UPB and UPS-N stainless steel domestic hot water circulation shielded pumps

UP20-15N/150 UP20-30BN/150 UP20-45N/150 UPS20-60N/150 UPS25-40N/180 UPS25-55N/180 UPS25-60N/180 UPS25-80N/180 UPS32-80N/180 UPS32-100N/180 UPS40-50FN/250

The Grundfos UP-N and UPS-N series stainless steel canned-rotor pumps are designed specifically for domestic hot water circulation systems,featuring energy-efficient technology,quiet operation,and exceptional durability.The UP-N is suitable for small to medium-sized homes,while the UPS-N meets high-flow requirements; both models feature corrosion-resistant stainless steel construction to ensure long-term,stable performance
Function
Parameters
Size
Video Introduction

Function

1. Core Product Features

Professional Canned Pump Design
Features a seal-less canned structure that completely eliminates the risk of fluid leakage, ensuring the long-term safe operation of domestic hot water systems.
Stainless Steel Construction
The pump body and wetted parts are made of AISI 304 stainless steel; resistant to high temperatures (up to 110°C) and corrosive water, making it suitable for underfloor heating, solar thermal, and other systems.

2. Performance Highlights

Whisper-Quiet Operation
Optimized fluid channel design results in an operating noise level of ≤35dB (at a 1-meter distance), ensuring no disturbance during nighttime use.
High Efficiency & Energy Saving
Equipped with an IE3-compliant asynchronous motor; optimized hydraulic modeling ensures low energy consumption during operation.
Stable & Durable
Features an H-class insulation motor designed for continuous operation, with a design lifespan exceeding 100,000 hours.

3. Functional Configuration

Instant Hot Water Circulation Support
Supports external thermostat connection to enable hot water circulation, eliminating the wait for cold water to clear from the pipes.
Flexible Installation
Compact structure (optimized axial length) with standard G1/2 or G3/4 threaded connections, compatible with most residential piping systems.

4. Application Scenarios

Central hot water circulation systems
Underfloor heating / radiator heating systems
Solar hot water boosting and circulation

Parameters

model Voltage/Frequency Flow rate (m³/h) Head (m) Power (W) caliber
UP20-15N/150 230V/50Hz 1.13 0.63 65 G1 1/4
UP20-30BN/150 230V/50Hz 1.53 1.7 75 G1 1/4
UP20-45N/150 230V/50Hz 2.29 2.94 120 G1 1/4
UPS20-60N/150 230V/50Hz 2.03 3.473 35/60/90 G1 1/4
UPS25-40N/180 230V/50Hz 1.67 2.03 25/35/45 G1 1/2
UPS25-55N/180 230V/50Hz 3.37 2.989 65/80/85 G1 1/2
UPS25-60N/180 230V/50Hz 1.91 3.1 50/55/60 G1 1/2
UPS25-80N/180 230V/50Hz 4.95 4.56 110/155/165 G1 1/2
UPS32-80N/180 230V/50Hz 5.12 5.2 135/200/220 G2
UPS32-100N/180 230V/50Hz 7.45 6.69 280/340/345 G2
UPS40-50FN/250 230V/50Hz 4.24 3.16 75/100/105 DN40

Size

Video Introduction

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