Part Number: 28331
Manufacturer's Part Number: ST15
Archergas ST15 Domestic Central Heating Circulator Pump
The Archergas ST15 circulator combines powerful hydraulic performance with energy-saving technology. With a maximum head of 6 metres and a maximum flow rate of 65 litres per minute, it delivers reliable circulation even in demanding heating systems. The unit operates across three fixed speed settings plus an ECO mode, allowing installers to optimise flow performance and energy usage according to system requirements.
Featuring an Energy Efficiency Index (EEI) of ≤0.19, the ST15 meets modern efficiency standards and helps reduce running costs. It is built to withstand a maximum system pressure of 10 bar and a temperature class of TF95°C, ensuring suitability for a wide range of heating applications. The IP44 protection class safeguards the motor against moisture and dust, while the Class F insulation provides thermal protection for extended service life.
Constructed from durable cast iron, the circulator offers long-term reliability and resistance to wear. Each unit is supplied complete with two rubber washers for secure, leak-free installation. Compact and lightweight at just 2.0 kg, the ST15 is easy to handle and install within standard 130 mm port-to-port configurations.
Benefits
- Energy Efficient: Low EEI (≤0.19) for reduced power consumption and lower operating costs
- Versatile Performance: Adjustable speeds and ECO mode optimise system flow and efficiency
- Durable Design: Cast iron housing ensures long-lasting reliability and corrosion resistance
- Compact & Easy Installation: Standard 130 mm fitting with lightweight 2.0 kg build simplifies setup
- Reliable Operation: High performance under up to 10 bar pressure and temperatures up to 95°C
Specification
| Brand | Archergas |
| Connection | 1.1/2" BSP M |
| Energy Efficiency Index | ≤0.19 |
| Insulation Class | F |
| Liquid Temp. Range | Max. 95°C |
| Max. Head | 6 m |
| Max. Operating Pressure | 10 bar |
| Port To Port | Body: 130 mm |
| Power Supply | 230 V, 50 Hz |
| Protection Rating | IP44 |
| Size | 1.1/2" |
| Type | Circulating Pump |
| Weight | 2.0 kg |
Questions
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Delivery
FREE DELIVERY OVER £50
Frequently Asked Questions
Orders over £50 (excluding VAT) qualify for free delivery within the UK.
Orders under £50 (excluding VAT) will incur a delivery charge of £4.95 plus VAT.
Orders to an EU country will incur a delivery charge of £4.95 plus VAT.
We offer a next day delivery service available for mainland UK if ordered by 9pm Monday – Friday, and 3pm Sunday for delivery Monday.
For countries outside of the UK please refer to the table above.
You will receive a tracking number and courier information as soon as your item has been dispatched, which will be sent to the email and telephone number provided.
Our typical delivery times, excluding Saturdays, Sundays, and public holidays can be found in the table above.
While we strive to meet delivery estimates, delays may occur due to various factors, such as product availability. We cannot be held liable for delays beyond our control.
If we cannot meet this timeframe, we'll notify you. You'll then have the option to cancel the order, and we'll refund you within 30 days.
For delivery times to countries outside the UK and EU, please contact us.
We regret that there may be countries outside the UK to which we will not deliver Goods.
Once your order leaves us, the courier will contact you directly with tracking details and options to reschedule your delivery.
The courier may confirm delivery by taking a signature, recording it on a handheld device, photographing the parcel, or using GPS co-ordinates.
Please note: Our drivers aren’t responsible for unloading the goods unless this has been agreed in advance
Please contact us prior to placing your order to make us aware of this.
If anything is missing from your delivery, please let us know in writing within three working days of receiving your order.
If your entire order hasn’t arrived at all, please contact us within seven days of the date we told you it was dispatched.
Contact BES
For enquires please call 0800 801090 or email sales@bes.co.uk
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.
Specification
| Brand | Archergas |
| Connection | 1.1/2" BSP M |
| Energy Efficiency Index | ≤0.19 |
| Insulation Class | F |
| Liquid Temp. Range | Max. 95°C |
| Max. Head | 6 m |
| Max. Operating Pressure | 10 bar |
| Port To Port | Body: 130 mm |
| Power Supply | 230 V, 50 Hz |
| Protection Rating | IP44 |
| Size | 1.1/2" |
| Type | Circulating Pump |
| Weight | 2.0 kg |
Questions
Delivery
FREE DELIVERY OVER £50
Frequently Asked Questions
Orders over £50 (excluding VAT) qualify for free delivery within the UK.
Orders under £50 (excluding VAT) will incur a delivery charge of £4.95 plus VAT.
Orders to an EU country will incur a delivery charge of £4.95 plus VAT.
We offer a next day delivery service available for mainland UK if ordered by 9pm Monday – Friday, and 3pm Sunday for delivery Monday.
For countries outside of the UK please refer to the table above.
You will receive a tracking number and courier information as soon as your item has been dispatched, which will be sent to the email and telephone number provided.
Our typical delivery times, excluding Saturdays, Sundays, and public holidays can be found in the table above.
While we strive to meet delivery estimates, delays may occur due to various factors, such as product availability. We cannot be held liable for delays beyond our control.
If we cannot meet this timeframe, we'll notify you. You'll then have the option to cancel the order, and we'll refund you within 30 days.
For delivery times to countries outside the UK and EU, please contact us.
We regret that there may be countries outside the UK to which we will not deliver Goods.
Once your order leaves us, the courier will contact you directly with tracking details and options to reschedule your delivery.
The courier may confirm delivery by taking a signature, recording it on a handheld device, photographing the parcel, or using GPS co-ordinates.
Please note: Our drivers aren’t responsible for unloading the goods unless this has been agreed in advance
Please contact us prior to placing your order to make us aware of this.
If anything is missing from your delivery, please let us know in writing within three working days of receiving your order.
If your entire order hasn’t arrived at all, please contact us within seven days of the date we told you it was dispatched.
Contact BES
For enquires please call 0800 801090 or email sales@bes.co.uk
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.
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