Assess First. Recommend Second.
A cupboard-fit system boiler for a sealed heating circuit.
CH means central heating; DHW means domestic hot water. Model labels do not substitute for the verified heating rating. Central-heating values below use the stated mean water temperature; no missing rating is inferred from another model.
| Model label | CH min–max at mean 70°C | CH max at mean 40°C | DHW maximum | DHW flow at 35°C rise |
|---|---|---|---|---|
| Logic+ System 15 · 15 kW | 4.8–15 kW | 15.9 kW | Separate cylinder | Not an independently verified instantaneous rating |
| Logic+ System 18 · 18 kW | 4.8–18 kW | 19.1 kW | Separate cylinder | Not an independently verified instantaneous rating |
| Logic+ System 24 · 24 kW | 4.8–24.2 kW | 25.6 kW | Separate cylinder | Not an independently verified instantaneous rating |
| Logic+ System 30 · 30 kW | 6.1–30.3 kW | 31 kW | Separate cylinder | Not an independently verified instantaneous rating |
The manufacturer documents queen's award 2013, built-in frost protection, made in the uk.
A practical cylinder-based replacement range with 15 to 30 kW labels. Compare controls, system protection and warranty conditions against MAX rather than just the appliance price.
Up to 7 years manufacturer parts-and-labour cover, subject to exact product eligibility, registration within 30 days, correct commissioning and annual servicing. Your written quotation confirms the applicable package.
Manufacturer warranty, SwiftHeat installation cover and qualifying Care+ services are separate. Keep commissioning, registration and service records. The quotation confirms entitlement before purchase.
Official warranty information for this productIdeal lists compatibility with its own controls. The exact controller, appliance generation, wiring and accessories must be checked during assessment.
The listed variants are natural-gas configurations. LPG suitability and conversion instructions must be confirmed for the exact output and generation; no range-wide LPG compatibility is implied.
Installation clearances and dimensions are confirmed against the exact current manufacturer manual during survey.
Compare all Ideal familiesNominal labels and central-heating ratings are shown separately. The 70°C and 40°C mean-water-temperature bases must be compared consistently. Hot water is stored in a separate cylinder rather than rated as instantaneous combi delivery.
Up to 7 years manufacturer parts-and-labour cover, subject to exact product eligibility, registration within 30 days, correct commissioning and annual servicing. Your written quotation confirms the applicable package.
A practical cylinder-based replacement range with 15 to 30 kW labels. Compare controls, system protection and warranty conditions against MAX rather than just the appliance price.
Checked 1 October 2026. Availability and terms can change; SwiftHeat reconfirms the exact appliance before quotation.
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
