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Servicing Instructions

10.3.4 Removing the main heat exchanger

1. Drain the boiler of water;

2. Remove the side panels (see 10.2.3)

3. Remove the overheat thermostat sensor "I" (F

4. Remove the clip "J" (F

5. Remove the "U" clip "K" (F

7. Pull down the pipe (F

4. Pull it straight out (F

. 10.21).

Fig. 10.17

. 10.18

. 10.19

. 10.20

Supplied By www.heating spares.co Tel. 0161 620 6677

. 10.17);

. 10.18);

. 10.19);

. 10.20);

. 10.21

10.3.5 Removing the air pressure switch

1. Disconnect the electrical connections "L" and silicone pipes

"M" from their connection points (F

2. Remove screws "N" on the top of the sealed chamber (F

10.23);

3. Lift out the air pressure switch (F

4. Unscrew to remove the switch from the plate.

. 10.22

. 10.23

. 10.22);

. 10.24);

. 10.24