The Grundfos UPS3 15-50/65 Central Heating Circulator is a highly efficient canned-rotor circulator, designed for optimal water circulation in domestic heating systems. Whether you're looking to replace an existing pump or integrate it into a new heating system, this versatile pump delivers on all fronts.
With efficient control modes you can choose from constant pressure, proportional pressure, and constant curve mode, this pump adapts to your specific needs. It includes an LED indicator to provide real-time operating status updates, along with a warning and alarm for intelligent monitoring.
It has precise speed control with low-voltage PWM (Pulse Width Modulation) profile A - Heating, ensuring your system operates with accuracy. And thanks to the one-button interface which simplifies replacement and settings, making the process quick and for a hassle-free user experience.
The robust pump design and high-quality materials, constructed from cast iron and electrocoated for superior corrosion resistance, ensure a long and reliable service life. Self-venting capabilities, streamline commissioning, and maintenance-free operation means you can trust in consistent performance.
The compact design, complete with a pump head and integrated control box, effortlessly fits into standard installations, with a broad ambient temperature range.
The efficient motor features a synchronous permanent-magnet motor and integrated frequency converter within the control box which optimises pump speed.
When it comes to energy efficiency, our circulator sets the standard with an EEI (Energy Efficiency Index) of ≤ 0.20. Elevate your heating system's performance and enjoy the benefits of efficient circulation.
High-efficiency canned-rotor circulator for domestic heating systems.
Suitable for stand-alone or integrated use in new or existing systems.
Three control modes for versatile performance.
Low-voltage PWM speed control.
User-friendly one-button interface.
LED indicators for real-time status and alerts.
Durable design with cast iron housing and corrosion resistance.
Synchronous permanent-magnet motor for high efficiency.
Maintenance-free operation.
Achieves an EEI (Energy Efficiency Index) of ≤ 0.20, setting the standard for efficiency.
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Specification
Brand
Grundfos
Approved by
CE. EEI values according to EN 16297:3
Ambient Temperature
Max: 55° C
Application
UPS3 can not only be used in system installations but also inside many of the UK’s domestic boilers. Simply scan the old pump with the new Grundfos GO Replace smartphone app and it will tell you if the UPS3 is a compatible fit.
Order by 9pm Monday - Friday for next working day delivery.
Subject to change
Small Parcel
Large Parcel
Pallets < 800 kilos
Pallets >= 800 kilos
UK mainland (except Scottish Highlands and some other areas)
Next day
Next day
2 to 3 days
2 to 3 days
Scottish Highlands, UK Islands, some other areas
2 to 3 days
2 to 3 days
2 to 3 days
2 to 3 days
Northern Ireland
1 to 2 days
2 to 3 days
2 to 3 days
2 to 3 days
Channel Islands, Isle of Man and Republic of Ireland
2 to 3 days
2 to 3 days
2 to 3 days
2 to 3 days
EU
2 to 5 days
2 to 5 days
2 to 5 days
2 to 5 days
Rest of World
Please enquire
Please enquire
Please enquire
Please enquire
Delivery is FREE for orders with a value of over £50 (excluding VAT) which are despatched by B.E.S.’s usual means in one consignment. Orders of £50 and under (excluding VAT) will incur a delivery charge of £4.95 plus VAT.
We are happy to arrange for delivery of the Goods on your behalf other than by our usual means, however, any additional charges involved will need to be borne by you.
Whilst we make every effort to deliver Goods within the estimated timescales, delays are, however, occasionally inevitable as they may depend, among other things, on availability of the Goods. We shall not be liable for any delay in delivery of the Goods where the delay is beyond our control.
Although any dates quoted for delivery of the Goods are approximate only, the following delivery times are in our experience usual (these estimates exclude Saturdays, Sunday and public holidays):
We always aim to deliver Goods as near to our estimated times as possible and in any event within 30 days of entering into a contract with you. Where we are unable to deliver the Goods within this time, we will inform you of this. You will be free in this case to cancel the contract and we will reimburse you in full as soon as possible and in any event within 30 days of cancellation.
For delivery times to countries outside the UK, please contact us. We regret that there may be countries outside the UK to which we will not deliver Goods.
Please note that delivery may be made in instalments.
Delivery and packaging
Time for delivery is given as accurately at possible but is not guaranteed. The Customer shall have no right to damages or to cancel the order for failure for any cause to meet any delivery time stated nor shall the Customer be entitled to make, or to purport to make, time for delivery of the essence of the contract.
The date of delivery shall in every case be dependant upon prompt receipt of all necessary information final instructions or approvals from the Customer. Any delays or alternations by the Customer in design, specifications or quantities required may result in delay in delivery.
Failure by the Customer to take delivery of or to make payment in respect of any one or more instalments of Goods delivered under this contract shall entitle the Company to treat the whole or part of the contract as repudiated by the Customer.
The Company will endeavour to comply with reasonable requests by the Customer for postponement of delivery but shall be under no obligation to do so. Where delivery is postponed otherwise than due to the default by the Company, the Customer shall pay all costs and expenses, including a reasonable charge for storage and transportation so occasioned and payment for the Goods shall be made in accordance with these Conditions.
Any packaging by the Company, unless otherwise expressly agreed in writing is intended to provide adequate protection in normal conditions of transit of usual duration. Unless otherwise agreed in writing, cases and other packing materials, when charged for, will be credited if returned to the Company's works within 28 days of the date of invoice, carriage paid and in good condition.
The Company will not be liable for unloading the Goods at the designated point of delivery or for placing them in position on site, except by prior agreement in writing.
Where the Company accepts an order for the supply of Goods to be called off by the Customer over a period then unless otherwise agreed by the Company in writing, such call offs must be made so as to complete delivery of all Goods within 12 months from the date of the Customer's order.
The Company shall have the right to make delivery by instalments and in that event each delivery shall stand as a separate contract and failure to make any instalment delivery shall not entitle the Customer to repudiate the whole contract.
Unless otherwise agreed in writing, whether or not the Company shall arrange transport by its own vehicles or otherwise, delivery shall be effected when the Goods leave the premises of the Company or those of the suppliers to the Company where the Goods are despatched direct from such suppliers premises to the Customer.
Any delivery note or notes presented by or on behalf of the Company and/or its carrier must be signed on receipt of the Goods.
If the Customer requires an alteration in the quantity of an order including suspension or reduction of "firm" schedules then all Goods already in progress may be delivered in accordance with the earlier instructions of the Customer and shall be paid for by the Customer.
If and so far as work has been necessarily commenced in advance of "firm" schedules in order to provide in accordance with a normal process time cycle for deliveries indicated by a "tentative schedule" the Customer shall be liable to accept delivery of such Goods at the times and in the quantities so indicated and to pay therefor.
Save in the case of export contract all pallets and stillages used by the Company in the delivery of the Goods shall remain the property of the Company and shall be returned by the Customer to the Company. Section 32(2) of the Sale of Goods Act 1979 shall not apply. The Company shall not be required to give the Customer the notice specified in section 32(3) of that Act.
UPS3 can not only be used in system installations but also inside many of the UK’s domestic boilers. Simply scan the old pump with the new Grundfos GO Replace smartphone app and it will tell you if the UPS3 is a compatible fit.
Order by 9pm Monday - Friday for next working day delivery.
Subject to change
Small Parcel
Large Parcel
Pallets < 800 kilos
Pallets >= 800 kilos
UK mainland (except Scottish Highlands and some other areas)
Next day
Next day
2 to 3 days
2 to 3 days
Scottish Highlands, UK Islands, some other areas
2 to 3 days
2 to 3 days
2 to 3 days
2 to 3 days
Northern Ireland
1 to 2 days
2 to 3 days
2 to 3 days
2 to 3 days
Channel Islands, Isle of Man and Republic of Ireland
2 to 3 days
2 to 3 days
2 to 3 days
2 to 3 days
EU
2 to 5 days
2 to 5 days
2 to 5 days
2 to 5 days
Rest of World
Please enquire
Please enquire
Please enquire
Please enquire
Delivery is FREE for orders with a value of over £50 (excluding VAT) which are despatched by B.E.S.’s usual means in one consignment. Orders of £50 and under (excluding VAT) will incur a delivery charge of £4.95 plus VAT.
We are happy to arrange for delivery of the Goods on your behalf other than by our usual means, however, any additional charges involved will need to be borne by you.
Whilst we make every effort to deliver Goods within the estimated timescales, delays are, however, occasionally inevitable as they may depend, among other things, on availability of the Goods. We shall not be liable for any delay in delivery of the Goods where the delay is beyond our control.
Although any dates quoted for delivery of the Goods are approximate only, the following delivery times are in our experience usual (these estimates exclude Saturdays, Sunday and public holidays):
We always aim to deliver Goods as near to our estimated times as possible and in any event within 30 days of entering into a contract with you. Where we are unable to deliver the Goods within this time, we will inform you of this. You will be free in this case to cancel the contract and we will reimburse you in full as soon as possible and in any event within 30 days of cancellation.
For delivery times to countries outside the UK, please contact us. We regret that there may be countries outside the UK to which we will not deliver Goods.
Please note that delivery may be made in instalments.
Delivery and packaging
Time for delivery is given as accurately at possible but is not guaranteed. The Customer shall have no right to damages or to cancel the order for failure for any cause to meet any delivery time stated nor shall the Customer be entitled to make, or to purport to make, time for delivery of the essence of the contract.
The date of delivery shall in every case be dependant upon prompt receipt of all necessary information final instructions or approvals from the Customer. Any delays or alternations by the Customer in design, specifications or quantities required may result in delay in delivery.
Failure by the Customer to take delivery of or to make payment in respect of any one or more instalments of Goods delivered under this contract shall entitle the Company to treat the whole or part of the contract as repudiated by the Customer.
The Company will endeavour to comply with reasonable requests by the Customer for postponement of delivery but shall be under no obligation to do so. Where delivery is postponed otherwise than due to the default by the Company, the Customer shall pay all costs and expenses, including a reasonable charge for storage and transportation so occasioned and payment for the Goods shall be made in accordance with these Conditions.
Any packaging by the Company, unless otherwise expressly agreed in writing is intended to provide adequate protection in normal conditions of transit of usual duration. Unless otherwise agreed in writing, cases and other packing materials, when charged for, will be credited if returned to the Company's works within 28 days of the date of invoice, carriage paid and in good condition.
The Company will not be liable for unloading the Goods at the designated point of delivery or for placing them in position on site, except by prior agreement in writing.
Where the Company accepts an order for the supply of Goods to be called off by the Customer over a period then unless otherwise agreed by the Company in writing, such call offs must be made so as to complete delivery of all Goods within 12 months from the date of the Customer's order.
The Company shall have the right to make delivery by instalments and in that event each delivery shall stand as a separate contract and failure to make any instalment delivery shall not entitle the Customer to repudiate the whole contract.
Unless otherwise agreed in writing, whether or not the Company shall arrange transport by its own vehicles or otherwise, delivery shall be effected when the Goods leave the premises of the Company or those of the suppliers to the Company where the Goods are despatched direct from such suppliers premises to the Customer.
Any delivery note or notes presented by or on behalf of the Company and/or its carrier must be signed on receipt of the Goods.
If the Customer requires an alteration in the quantity of an order including suspension or reduction of "firm" schedules then all Goods already in progress may be delivered in accordance with the earlier instructions of the Customer and shall be paid for by the Customer.
If and so far as work has been necessarily commenced in advance of "firm" schedules in order to provide in accordance with a normal process time cycle for deliveries indicated by a "tentative schedule" the Customer shall be liable to accept delivery of such Goods at the times and in the quantities so indicated and to pay therefor.
Save in the case of export contract all pallets and stillages used by the Company in the delivery of the Goods shall remain the property of the Company and shall be returned by the Customer to the Company. Section 32(2) of the Sale of Goods Act 1979 shall not apply. The Company shall not be required to give the Customer the notice specified in section 32(3) of that Act.
https://www.bes.co.uk/grundfos-ups3-15-50-65-central-heating-circulator-23953/32740Grundfos UPS3 15-50/65 Central Heating Circulatorhttps://www.bes.co.uk/media/catalog/product/g/r/grundfos-ups3-central-heating-circulator-23953-9_23953_P_1.jpg124.5171.33GBPInStock/Our Brands/Grundfos/Heating & Ventilation/Central Heating Supplies/Central Heating Pump67103512812459
<p>The Grundfos UPS3 15-50/65 Central Heating Circulator is a highly efficient canned-rotor circulator, designed for optimal water circulation in domestic heating systems. Whether you're looking to replace an existing pump or integrate it into a new heating system, this versatile pump delivers on all fronts.</p>
<p>With efficient control modes you can choose from constant pressure, proportional pressure, and constant curve mode, this pump adapts to your specific needs. It includes an LED indicator to provide real-time operating status updates, along with a warning and alarm for intelligent monitoring.</p>
<p>It has precise speed control with low-voltage PWM (Pulse Width Modulation) profile A - Heating, ensuring your system operates with accuracy. And thanks to the one-button interface which simplifies replacement and settings, making the process quick and for a hassle-free user experience.</p>
<p>The robust pump design and high-quality materials, constructed from cast iron and electrocoated for superior corrosion resistance, ensure a long and reliable service life. Self-venting capabilities, streamline commissioning, and maintenance-free operation means you can trust in consistent performance.</p>
<p>The compact design, complete with a pump head and integrated control box, effortlessly fits into standard installations, with a broad ambient temperature range.</p>
<p>The efficient motor features a synchronous permanent-magnet motor and integrated frequency converter within the control box which optimises pump speed.</p>
<p>When it comes to energy efficiency, our circulator sets the standard with an EEI (Energy Efficiency Index) of ≤ 0.20. Elevate your heating system's performance and enjoy the benefits of efficient circulation.</p>
<p>Compatible <a href="/heating-ventilation/central-heating/motorised-valves/"> motorised valves</a> and <a href="/heating-ventilation/central-heating/valves/pump-valves-equipment/">pump valves</a> available.</p>
<p><span style="font-weight: bold;">Benefits</span></p>
<ul style="list-style: circle outside;line-height:110%">
<li>High-efficiency canned-rotor circulator for domestic heating systems.</li>
<li>Suitable for stand-alone or integrated use in new or existing systems.</li>
<li>Three control modes for versatile performance.</li>
<li>Low-voltage PWM speed control.</li>
<li>User-friendly one-button interface.</li>
<li>LED indicators for real-time status and alerts.</li>
<li>Durable design with cast iron housing and corrosion resistance.</li>
<li>Synchronous permanent-magnet motor for high efficiency.</li>
<li>Maintenance-free operation.</li>
<li>Achieves an EEI (Energy Efficiency Index) of ≤ 0.20, setting the standard for efficiency.</li>
</ul>
Grundfos00https://www.bes.co.uk/media/catalog/product/g/r/grundfos-ups3-central-heating-circulator-23953-9_23953_L_1.jpg5712608550621add-to-cartfacet_type:Circulating Pumpmanufacturer_part_no:99199622special_price:124.500000availability:Transactionalcampaign_additional_text1:MARC32024campaign_category:Plumbingcampaign_image_1:/g/r/grundfos-ups3-central-heating-circulator-23953-9_23953_transparent.pngcampaign_image_3:Grundfos_white_transparent.pngcampaign_label:MarPromo2025campaign_now:transparentcampaign_style:Chevroncampaign_title:GREAT PRICEcampaign_was:164.73is_on_sales:Yesproducts_related:23390,8134,21364,9342,18037,9346,20702,20459,23114,21504sku:23953TransactionalMARC32024Plumbing/g/r/grundfos-ups3-central-heating-circulator-23953-9_23953_transparent.pngGrundfos_white_transparent.pngMarPromo2025transparentChevronGREAT PRICE164.73Circulating PumpYes9919962223390,8134,21364,9342,18037,9346,20702,20459,23114,2150423953124.500000No{"Brand":"Grundfos","Approved by":"CE. EEI values according to EN 16297:3","Ambient Temperature":"Max: 55° C","Application":"UPS3 can not only be used in system installations but also inside many of the UK\u2019s domestic boilers. Simply scan the old pump with the new Grundfos GO Replace smartphone app and it will tell you if the UPS3 is a compatible fit.","Connection":"1.1\/2" BSP PM","Energy Efficiency Index":"\u2264 0.20","Input Power":"4 W to 60 W","Liquid Temp. Range":"2 to 95° C","Material":"Cast Iron Body","Max. Glycol":"Maximum water\/propylene glycol mixture is 50%","Max. Head":"6.5 m","Max. Operating Pressure":"10 bar","Model Name":"UPS3 15-50\/65","Port To Port":"130 mm","Power Supply":"230 V, 50 Hz","Size":"1.1\/2"","Type":"Circulating Pump","Voltage":"230 V","Weight":"1.9 kg"}6.5 mGrundfos1.1/2"