Baxi
The Baxi HP55 is a UK-manufactured air source heat pump featuring a 5-year extended warranty, COMFORT CONTROL compatibility, and mandatory annual servicing with a magnetic filter.
The Baxi HP55_homeowner-ashp-quick-start-guide provides essential operational and maintenance data for the HP40 air source heat pump series. Manufactured in the UK, this unit requires specific installation conditions to maintain its warranty, including the use of a magnetic filter and annual servicing. This reference covers the standard 2-year and extended 5-year warranty terms, compatible controls like the COMFORT CONTROL system, and the mandatory Benchmark commissioning process for UK heating engineers and homeowners.
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Full technical specifications extracted from the manufacturer brochure. Empty sections are hidden.
1. The magnetic filter that comes with your ASHP must be installed. 2. Your installer has arranged for your ASHP to be commissioned correctly. 3. Ensure your installer has completed the Benchmark checklist. 4. Your installer must register your warranty within 30 days of commissioning. 5. Your ASHP and its filter must be serviced annually within 60 days of the anniversary of the commissioning date.
The Baxi HP55_homeowner-ashp-quick-start-guide serves as the primary reference for the HP40 air source heat pump, a UK-manufactured heating solution designed for domestic applications. This document outlines the critical requirements for system longevity and regulatory compliance. Central to the operation of the HP40 is the integration of the COMFORT CONTROL interface and the Benchmark app, which facilitates commissioning and performance monitoring.
Warranty protection is a significant component of the Baxi HP55_homeowner-ashp-quick-start-guide. The appliance comes with a standard 2-year parts and labour warranty, which can be extended to 5 years provided specific criteria are met. These conditions include the mandatory installation of the magnetic filter supplied with the unit to prevent the accumulation of magnetite and other system debris. Furthermore, the heat pump must be registered within 30 days of commissioning, and the installer must complete the Benchmark checklist to validate the installation.
Maintenance protocols for the HP40 series are strictly defined. An annual service is required within 12 months of the commissioning date to keep the warranty valid. This service must include an inspection of the heat pump and its associated magnetic filter. The guide emphasizes that corrosion occurs naturally in heating systems where metal and water interact; without a filter, black iron-oxide sludge can damage the heat pump, radiators, and pipework.
From a technical perspective, the HP40 is an air-source unit that relies on professional commissioning to ensure efficiency. While this specific quick start guide focuses on homeowner operations, it highlights the necessity of correct hydraulic balancing and system cleanliness. Engineers must ensure the system is flushed and treated before the heat pump is brought online. The use of the Benchmark app during this phase is mandatory for recording installation data and ensuring the unit operates within its designed parameters.
For homeowners, the Baxi HP55_homeowner-ashp-quick-start-guide provides a clear path to managing their heating system. It details the importance of the 12-month service interval and the role of the magnetic filter in protecting the heat pump's internal components. By following these manufacturer-specified guidelines, users ensure the HP40 operates efficiently, maintaining both performance and the 5-year extended warranty coverage.
Common questions from engineers and homeowners about the Baxi HP40.
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Specifications on this page are extracted from the manufacturer brochure. Always cross-check against the latest datasheet before commissioning or quoting. Last updated 30 April 2026.