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Details on required water pressure, flow rates, and checking the supply.
Using the balanced cold mains outlet and recommendations for pressure reducing valves.
Diagram illustrating a typical discharge pipe arrangement from safety devices to a trapped gulley.
Example of sizing copper discharge pipe 'D2' for a temperature relief valve.
Notes on discharge, acceptable arrangements, and compliance with Building Regulations.
Tundish placement, relief valve connections, and no valve between expansion relief valve and cylinder.
All wiring must comply with IEE BS7671 and be done by a qualified electrician.
Recommended protection for hard wired boilers, including RCD and MCB requirements.
Procedure for filling the hot water circuit, checking connections and purging air.
Procedure for flushing the primary circuit according to BS 7593.
Using Fernox F3 cleaner and F1 inhibitor for system protection and warranty.
Annual checks for expansion relief valve, cylinder thermostat, and primary expansion vessel.
Cleaning the mesh filter within the inlet control set.
Checking secondary expansion vessel pressure and cleaning CH circuit filter.
Updating the benchmark service record after each service.
Checking safety valves for leaks during heat up and ensuring proper reseating.
Installer warnings regarding component adjustment and installation approval.
Checklist for commissioning the hot water storage system as per regulations.
Verifying primary circuit type, flow temperature, and system parameters.
Checks for unvented systems, relief valves, and overall compliance.
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