Grundfos COMFORT Range Hot Water Recirculation Pumps
The Grundfos COMFORT range delivers efficient hot water recirculation the clever way, designed specifically for residential buildings with dedicated return lines. These intelligent circulators are compatible with all types of water heater tanks, tankless systems, solar thermal, and heat pump installations—regardless of whether the system has mixing or tempering valves installed. With multiple control modes offering up to 67% heat energy savings, the COMFORT range eliminates waiting for hot water while significantly reducing water waste.
As an authorized Grundfos Water Pump Dealer in Dubai, we supply the complete COMFORT range with genuine warranty and technical support across the UAE.
Technical Specifications
| Parameter | Specification |
|---|---|
| Flow (Qmax) | 0.5 m³/h |
| Head (Hmax) | 1.2 m |
| Liquid Temperature | 2°C – 95°C |
| Power Consumption | 5 W – 7 W |
| Noise Level | 22 dB(A) |
| Drinking Water Approvals | UBA, ACS, WRAS, UL |
| Frequency | 50/60 Hz |
Product Types & Configurations
| Product Code | Type Key | Port-to-Port Length | Connection |
|---|---|---|---|
| 97916771 | COMFORT 15-14 B | 80 mm | Internal thread Rp 1/2″ |
| 97916772 | COMFORT 15-14 BX | 140 mm | Non-return and isolating valves, External thread G 1″ |
| 93093854 | COMFORT 15-14 B T | 80 mm | Internal thread Rp 1/2″ |
| 93094846 | COMFORT 15-14 BX T | 140 mm | Non-return and isolating valves, External thread G 1″ |
| 93093537 | COMFORT 15-14 B TDT | 80 mm | Internal thread Rp 1/2″ |
| 93093665 | COMFORT 15-14 BX TDT | 140 mm | Non-return and isolating valves, External thread G 1″ |
| 97916757 | COMFORT 15-14 B TA | 80 mm | Internal thread Rp 1/2″ |
| 97916749 | COMFORT 15-14 BX TA | 140 mm | Non-return and isolating valves, External thread G 1″ |
Control Mode Variants
COMFORT (Continuous Operation 24/7)
Best for: Homes where local regulations require 24/7 operation, or where external control is provided by a water heater, timer, or other smart home technology.
| Feature | Specification |
|---|---|
| Operation Mode | Continuous 24/7 |
| Manual Settings | None required |
| Heat Energy Savings | Baseline (external control dependent) |
COMFORT T (Temperature Control)
Best for: Homes with no specific daily schedule, some energy concerns, and focused on comfort. No manual settings required.
The COMFORT T features temperature control mode that automatically activates the pump when the internal temperature sensor detects that water temperature drops below a certain level. The control mode automatically adjusts the on/off temperature based on the maximum temperature measured in the system. Maximum temperature is measured every 12 hours for 15 minutes, enabling dynamic adjustment of on/off temperature.
| Feature | Specification |
|---|---|
| Operation Mode | Automatic temperature control |
| Manual Settings | None required |
| Heat Energy Savings | 25% compared to continuous operation |
COMFORT TDT (Timer & Temperature Control)
Best for: Homes with a specific time schedule and strong desire to reduce energy usage. Requires manual timer settings.
| Feature | Specification |
|---|---|
| Operation Mode | Combined timer and temperature control |
| Manual Settings | Timer programming required |
| Heat Energy Savings | 56% compared to continuous operation |
COMFORT TA (AUTOADAPT Control)
Best for: Homes where the daily schedule is not easy to define, and the family wishes to maximise energy savings. Also well suited to holiday homes. No manual settings required.
| Feature | Specification |
|---|---|
| Operation Mode | AUTOADAPT intelligent control |
| Additional Mode | Temperature control + Continuous 24/7 |
| Manual Settings | None required |
| Heat Energy Savings | 67% compared to continuous operation |
Energy Savings Comparison
| Control Mode | Recirculation Heat Energy Losses | Heat Energy Saved |
|---|---|---|
| Continuous 24/7 | Baseline | — |
| Temperature Control (T) | Reduced | 25% |
| Timer & Temperature (TDT) | Significantly Reduced | 56% |
| AUTOADAPT (TA) | Minimised | 67% |
Performance Curve Data
COMFORT 15-14 B / COMFORT 15-14 BX
| Flow Rate (Q) | Head (H) | Pressure (P) |
|---|---|---|
| 0.00 m³/h | 1.2 m | 12 kPa |
| 0.15 m³/h | 1.0 m | 10 kPa |
| 0.30 m³/h | 0.6 m | 6 kPa |
| 0.45 m³/h | 0.2 m | 2 kPa |
Flow range: 0.00 – 0.45 m³/h (0.00 – 0.12 l/s)
Key Benefits
Easy Sizing
Pump performance is ideal for one or two-family private homes, eliminating complex calculations for residential installations.
Instant Hot Water
Improves comfort and eliminates waiting for hot water at taps and showers throughout the home.
Significant Water Savings
Saves up to 10,000 gallons (38,000 litres) of water annually by eliminating the need to run taps while waiting for hot water.
Improved Hygiene
Water stagnation, bad smell, and bacteria formation is avoided by frequent recirculation, maintaining water quality throughout the distribution system.
Low Energy Consumption
Temperature control mode significantly reduces the heat energy consumed by the water heater and saves up to 25% heat energy compared to a continuously running pump. AUTOADAPT mode achieves up to 67% savings.
Design Features
Prevents Pipe Erosion and Pin Holes
Compliant with pipe manufacturers’ recommendations on flow velocity limits for 15mm / ½” and 20mm / ¾” pipe dimensions, protecting your plumbing system.
No Clogging
Semi-spherical motor design ensures maximum resistance against blockage caused by lime in water of unlimited hardness.
Easy Installation
Compact design enables installation in confined spaces, even with the pump head pointing downwards. The line cord enables quick electrical connection.
Dry-Running Protection
Built-in protection ensures long pump lifetime and hassle-free commissioning by preventing operation without water.
Easy Maintenance
The detachable design of the head allows cleaning of the pump in no time, minimizing service requirements.
Reduced Cost of Installation
Non-return and shut-off valves included in X variant. Optional venting flange available, providing a simple way to vent or drain the system without need for permanently installing additional vent valve or hose bib.
Universal Replacement
Pump head designed to fit all brass pump housings from different brands, making replacement simple and cost-effective.
Applications
Residential Hot Water Systems
- Single-family homes
- Two-family private homes
- Villas and townhouses
- Holiday homes and vacation properties
Compatible Water Heater Types
- Traditional water heater tanks
- Tankless (instantaneous) water heaters
- Solar thermal systems
- Heat pump water heaters
- Systems with mixing valves
- Systems with tempering valves
Model Selection Guide
| Household Type | Daily Schedule | Energy Priority | Recommended Model |
|---|---|---|---|
| Active family | Unpredictable | High comfort | COMFORT T |
| Working family | Fixed routine | High savings | COMFORT TDT |
| Variable occupancy | Undefined | Maximum savings | COMFORT TA |
| Smart home integration | External control | Varies | COMFORT (24/7) |
| Holiday home | Irregular use | Maximum savings | COMFORT TA |
| Regulatory requirement | 24/7 mandated | Compliance | COMFORT (24/7) |
Variant Selection Guide
| Requirement | B Variant (80mm) | BX Variant (140mm) |
|---|---|---|
| Port-to-Port Length | 80 mm | 140 mm |
| Connection Type | Internal thread Rp 1/2″ | External thread G 1″ |
| Non-Return Valve | Not included | Included |
| Isolating Valves | Not included | Included |
| Best For | Simple installations | Complete installations |
Why Choose Grundfos COMFORT?
Whisper-Quiet Operation
At just 22 dB(A), COMFORT pumps operate virtually silently—quieter than a whisper—ensuring no disturbance to household comfort.
Certified for Drinking Water
UBA, ACS, WRAS, and UL approvals confirm the pump’s suitability for potable water applications, meeting international drinking water safety standards.
Ultra-Low Power Consumption
With power consumption of just 5-7 watts, COMFORT pumps add minimal electricity cost while delivering significant water and energy savings.
Intelligent Temperature Control
Dynamic on/off temperature adjustment based on 12-hour system monitoring ensures optimal operation without manual intervention.
Maximum Energy Savings
AUTOADAPT technology delivers up to 67% reduction in recirculation heat energy losses compared to continuous operation.
Grundfos Accessories & Parts
Maintain optimal COMFORT pump performance with original components including pump heads, brass housings, venting flanges, isolation valve sets, non-return valves, and electrical connections. We stock replacement parts for all COMFORT range variants.
Select Grundfos Pumps
Browse our complete inventory of Grundfos COMFORT hot water recirculation pumps. As Grundfos Pump Suppliers in Dubai, we provide competitive pricing, technical consultation, and prompt delivery across Dubai, Sharjah, Abu Dhabi, Ajman, and all UAE locations.
Contact us for:
- Model selection based on your household requirements
- Control mode recommendations (T, TDT, TA, or 24/7)
- B versus BX variant guidance
- Water heater compatibility confirmation
- Competitive quotations
- Delivery schedules
Hot Water Recirculation the Clever Way
The Grundfos COMFORT range transforms residential hot water delivery with intelligent recirculation technology. Whether you need simple temperature control, programmable timer operation, or maximum energy savings through AUTOADAPT, there’s a COMFORT model perfectly suited to your household’s needs. With up to 38,000 litres of annual water savings, 67% reduction in heat energy losses, and whisper-quiet 22 dB operation, COMFORT pumps deliver instant hot water comfort while protecting both your budget and the environment.