Baxi Bahama 100 Installation And Servicing Instructions page 39

13.0 Changing Components – page 39
13.24 Domestic Hot Water Heat Exchanger
1. Remove the gas valve (see 13.9 Gas Valve section 1-6
incI.).
2. Remove the cold inlet flow switch head (see Section
13.18 1-3 incI.).
3. Remove the two screws securing the plate heat
exchanger to the manifolds (Fig. 71).
4. Remove the gas valve outlet retaining clip (see 13.9
Gas Valve section).
5. Push the plate heat exchanger backwards and tilt
through 45º anti-clockwise.
6. Tilt the lower end forwards to clear the bypass pipe and
lower the plate heat exchanger.
7. Twist through 45º and withdraw by pulling forwards.
8. Remove the 'O' rings from the manifolds and replace
with new 'O' rings (Fig. 72).
9. Taking care not to displace the 'O' rings fit the new
plate heat exchanger, ensuring the chevrons point
towards the right. Reassemble in reverse order.