The EHC Astro Combi Boiler Valve Kit is a set of straight isolation valves specifically designed and required for the installation of the EHC Astro Electric Combi Boiler. The Electric Heating Company specifies these valves as a mandatory component of the Astro boiler installation procedure — they connect the boiler to the heating and domestic hot water pipework while providing the isolation points needed to service or replace the boiler without draining the system. The Astro combi boiler's heating circuit connections are ¾" BSP and the DHW connections are ½" BSP, and the valve kit is correctly sized for these connection points. Using these specified valves ensures a compliant installation and helps protect the boiler warranty. ⚠ Mandatory Installation Requirement — EHC specifies the Astro Combi Boiler Valve Kit as a mandatory component of the Astro boiler installation. The valves must be incorporated as part of the installation procedure. Failure to install the required valves may result in a non-compliant installation and could affect the boiler warranty. Installation must be carried out by a qualified, Part P registered electrician in accordance with EHC's installation instructions and all applicable building regulations. Features & Benefits ✔ Designed Specifically for the Astro Combi These valves are specified by The Electric Heating Company (EHC) for use with their Astro Electric Combi Boiler range, ensuring correct fit and compliance with EHC's installation requirements. Using the manufacturer-specified valve kit is the straightforward way to ensure the boiler connections are made correctly and in accordance with the installation documentation. ✔ Isolation for Servicing — No Drain-Down The isolation valves allow the Astro boiler to be isolated from the heating circuit and DHW pipework for future servicing or replacement without requiring a full system drain-down. Closing the valves at the boiler connections provides a safe isolation point for any work on the boiler itself, protecting the rest of the system and reducing service time. ✔ Sized for Astro Boiler Connections The Astro combi boiler has ¾" BSP heating circuit connections (flow and return) and ½" BSP domestic hot water connections. The valve kit is correctly matched to these connection sizes, eliminating the need to source adaptors or mismatched fittings, and ensuring a straightforward, leak-free connection between the boiler and the installation's pipework. ✔ Supports Warranty Compliance Installing the Astro boiler with the correct specified valves contributes to a warranty-compliant installation. EHC's installation instructions detail the required components and connection method — using the specified valve kit rather than substituting generic valves gives the installer confidence that the installation meets EHC's requirements and that the boiler's warranty coverage is not prejudiced by incorrect connection components. Specifications Manufacturer The Electric Heating Company (EHC) Product Astro Combi Boiler Valve Kit Part No. (EHC) ASTROVS Valve Type Straight isolation valves Heating Circuit Connection ¾" BSP (flow and return) DHW Connection ½" BSP (cold inlet and hot water outlet) Compatible Boilers EHC Astro Electric Combi Boiler range (12kW, 14.4kW, 18kW, 24kW) Installation Requirement Mandatory — specified by EHC as a required installation component ℹ Full Compliance Installation Pack also available For a complete installation solution, EHC also offers the Astro Compliance Installation Pack, which includes the valve kit alongside additional required components: single channel programmer, wireless room thermostat, filling loop, flow restrictor, MagnaClean Pro 2 filter, Adey MC1+ inhibitor, and Adey MC3 system cleaner. If you are fitting an Astro boiler from scratch, the full compliance pack simplifies procurement of all mandatory installation components in a single order.
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