Smarter Heating & Hot Water
Your connector to expert guides, manuals, fault codes, and tools for boilers, heat pumps, and controls.
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ToolConnect with Gas Safe registered engineers for quotes and installation.
GuideExpert tips to optimize your system and reduce energy costs.
GuideEverything you need to know about combination boilers.
GuideComprehensive information on heat pump technology and installation.
GuideUnderstanding S Plan and S Plan Plus zone valve systems.
ExternalSearch boiler error codes and understand what they mean.
ExternalAccess installation, user, and technical manuals for all major brands.
GuideCompare boiler cover plans and find the right protection for your home.
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Professional tools and resources for installers and engineers.
ToolsCollection of heating system calculators and conversion tools.
CalculatorCalculate the correct pipe sizing for your heating installations.
ToolTechnical support and installation guidance from AI.
ReferenceComprehensive database of boiler fault codes and solutions.
ExternalQuick fault code search for diagnostics and repairs.
ToolDiagnostic tool to troubleshoot boiler issues step-by-step.
ExternalInstallation and servicing documentation for all major brands.
ReferenceComplete guide to Vaillant ecotec display icons and symbols.
ReferenceS and D codes reference for Vaillant ecotec boilers.
GuideUnderstanding ecotec boiler anti-cycling time function.
ReferenceTechnical resources and guides for Vaillant systems.
GuideEnable OpenTherm on Vaillant boilers with the VR33 module.
GuideOpenTherm compatibility for Worcester Bosch EMS boilers.
ReferenceComplete list of OpenTherm compatible boilers and smart controls.
ReferenceOpenTherm protocol guide for smart heating controls.
ReferenceMetric gas flow rate to kW conversion reference chart.
GuideInstructions for pairing and re-pairing Hive 2 heating controls.
GuideBoiler Upgrade Scheme grant information for installers.
CommunityProfessional community for heating industry professionals.
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Gas Safe Reminder: All gas work must be carried out by a Gas Safe registered engineer. For electrical work, use a qualified electrician.