Assess First. Recommend Second.
Electric heating with selectable power settings and optional separately stored hot water.
For qualifying models and registration packages. Annual servicing required.
Your written quotation confirms the cover included. Extensions may be chargeable. Badges in the product image are subject to these conditions.
Up to 2 years as listed in the June 2026 UK guide, subject to applicable electric-appliance installation, registration and servicing terms. Subject to current manufacturer terms, model and installation eligibility, installer registration/status, correct commissioning and annual servicing. Registration deadlines and any qualifying controls, accessories or system-water requirements must be confirmed. The written quotation confirms actual cover; maximum cover is not automatic.
Manufacturer warranty informationElectric heating with selectable power settings and optional separately stored hot water.
Selectable electrical heating configuration, not a separate boiler family or instantaneous hot-water rating. Electrical supply and protection must be designed for the selected appliance.
| Model / output option | Electrical heating power | Condensing heating rating | Hot-water output | Flow at 35°C rise |
|---|---|---|---|---|
| 4 kW setting · 230 V single-phase | 4 kW electrical heating setting | Not a gas/oil condensing rating | Separate cylinder; no instantaneous rating | Not an instantaneous DHW appliance |
| 6 kW setting · 230 V single-phase | 6 kW electrical heating setting | Not a gas/oil condensing rating | Separate cylinder; no instantaneous rating | Not an instantaneous DHW appliance |
| 8 kW setting · 230 V single-phase | 8 kW electrical heating setting | Not a gas/oil condensing rating | Separate cylinder; no instantaneous rating | Not an instantaneous DHW appliance |
| 4 kW setting · 400 V three-phase | 4 kW electrical heating setting | Not a gas/oil condensing rating | Separate cylinder; no instantaneous rating | Not an instantaneous DHW appliance |
| 6 kW setting · 400 V three-phase | 6 kW electrical heating setting | Not a gas/oil condensing rating | Separate cylinder; no instantaneous rating | Not an instantaneous DHW appliance |
| 8 kW setting · 400 V three-phase | 8 kW electrical heating setting | Not a gas/oil condensing rating | Separate cylinder; no instantaneous rating | Not an instantaneous DHW appliance |
| 12 kW setting · 400 V three-phase | 12 kW electrical heating setting | Not a gas/oil condensing rating | Separate cylinder; no instantaneous rating | Not an instantaneous DHW appliance |
| 16 kW setting · 400 V three-phase | 16 kW electrical heating setting | Not a gas/oil condensing rating | Separate cylinder; no instantaneous rating | Not an instantaneous DHW appliance |
| 20 kW setting · 400 V three-phase | 20 kW electrical heating setting | Not a gas/oil condensing rating | Separate cylinder; no instantaneous rating | Not an instantaneous DHW appliance |
| 24 kW setting · 400 V three-phase | 24 kW electrical heating setting | Not a gas/oil condensing rating | Separate cylinder; no instantaneous rating | Not an instantaneous DHW appliance |
The UK electric brochure lists 4/6/8 kW single-phase and 4/6/8/12/16/20/24 kW three-phase settings. These ten configurations are not ten distinct orderable appliances.
The June 2026 guide lists four order references across supply and control versions: Z020839/Z020841 single-phase and Z020840/Z020842 three-phase. Confirm permitted settings in the supplied manual.
No integral instantaneous domestic hot water is claimed; cylinder integration requires the appropriate system controls and accessories.
An integrated circulation pump, 5-litre expansion vessel and safety devices are documented. Constant-temperature and weather-compensated control versions are available.
Assess heat loss, electrical capacity, tariffs and cylinder requirements before comparing electric heating with gas or a heat pump. Efficiency at the appliance does not guarantee low running costs.
Up to 2 years as listed in the June 2026 UK guide, subject to applicable electric-appliance installation, registration and servicing terms. Subject to current manufacturer terms, model and installation eligibility, installer registration/status, correct commissioning and annual servicing. Registration deadlines and any qualifying controls, accessories or system-water requirements must be confirmed. The written quotation confirms actual cover; maximum cover is not automatic.
Manufacturer model and warranty information · Registration terms and warranty tableVLN3 provides constant-temperature control and VMN3 weather-compensated control. Optional cylinder integration and VCMG3 extension modules must be specified for the chosen system; no universal smart-thermostat compatibility is claimed.
Casing: 716 mm high × 316 mm wide × 235 mm deep. Flue, pipework and installation/service clearances are additional and require the selected model manual.
This fuel-specific appliance is a research listing. The existing Finder does not automatically recommend it; discuss fuel supply, installation competence and system requirements separately.
System arrangement guidanceRead the rating basis alongside the table. Heating, hot-water output and storage delivery describe different duties. Boiler labels and bedroom counts are not substitutes for calculated heat loss and measured water supply.
Up to 2 years as listed in the June 2026 UK guide, subject to applicable electric-appliance installation, registration and servicing terms. Subject to current manufacturer terms, model and installation eligibility, installer registration/status, correct commissioning and annual servicing. Registration deadlines and any qualifying controls, accessories or system-water requirements must be confirmed. The written quotation confirms actual cover; maximum cover is not automatic.
Assess heat loss, electrical capacity, tariffs and cylinder requirements before comparing electric heating with gas or a heat pump. Efficiency at the appliance does not guarantee low running costs. Final specification requires professional assessment.
UK directory and linked manufacturer literature checked 2 October 2026. Exact generation, availability and current warranty entitlement are reconfirmed before quotation. Where manufacturer documents conflict, the chosen rating basis and remaining checks are stated above.
The installed price for your selected boiler is confirmed after assessment. The quotation covers the appliance, controls, flue, system preparation and any required pipework. A conversion or relocation can have a different scope from a straightforward replacement.
New boiler installations from £1,790 inc. VAT apply to a qualifying standard, straightforward replacement: one bathroom, fewer than 10 radiators and a standard horizontal flue, subject to survey. Specification and warranty selection affect the final cost. This is a general starting offer and is not a price for every model in this catalogue.
Read the starting-package conditions0% options over 3, 6, 9 or 12 months through Humm Group Limited, subject to application, affordability, eligibility, approval and provider terms. Any applicable deposit, fees and repayment conditions are confirmed during your enquiry/application. Acceptance is not guaranteed.
Finance terms and chargesTwo free annual services and a Hive Mini are available on qualifying installations only. Every model is considered under the qualification rules; inclusion in this catalogue does not confirm eligibility. Ask us to confirm the offer in your quotation.
Ask about Care+ eligibilityPlan the maintenance your appliance requires and keep its service records. If you are considering replacement because of a fault, diagnosis can help establish whether repair is a suitable option first.
Boiler servicing · Repair advicePrice confirmed following assessment for this configuration. The general New boiler installations from £1,790 inc. VAT offer does not apply to every model or property.
From or indicative prices remain provisional. SwiftHeat issues a written fixed quotation for the agreed scope after the appropriate property and installation assessment, technical checks and warranty-package verification. Remote information gathering may be suitable initially; a home survey is required where the necessary checks cannot be completed remotely.
We assess heat loss, heating and hot-water requirements, water supply, controls and installation access before recommending an appliance. Bedroom count or a catalogue model number alone cannot establish the right boiler.
Gas Safe registration 978273 · Serving Cardiff, South Wales and across the UK.
Understand suitable boiler types · Start the Boiler Finder · Our installation assessment · Areas we cover
