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5. Water heater connections
Gas, Water and Electrical
1. Hot water outlet 1/2"
2. Cold water inlet 1/2"
3. Gas Supply 3/4"
5.1 Gas supply
1. Further guidance: BS 6891, BS 6798, Gas Safety (Installation and Use) Regulations 1994.
2. Ensure the supply pipe, the gas meter and existing or new pipework will serve the maximum gas
rate of all the appliance served by that meter.
3. An inlet working pressure of 20 mbar will be required at the boiler.
4. Always test for soundness of gas supply pipes in accordance with BS 6891.
5. Fit gas cock supplied upstream from the appliance.
5.2 Connecting to the water system
- The connection to the domestic water supply system should be compatible with the specifications
and rating of the water heater.
- When connecting to a hard water supply, you should install a softener device to reduce the fre-
quency of the heat-exchanger blockages and maintain an optimal output.
- Connect the water heater to the water supply system and fit in a water tap upstream from the
appliance.
Supplied By www.heating spares.co Tel. 0161 620 6677
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Side View
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