Please refer to the
FASTflo Specification
Sheet and Flue
Selection Guide for
Flue Kit and
termination details
Remote controller kit
(part no. B285)
Gas
HWS flow
Hot Outlets
Cold Supply
1. Stop cock
2. Strainer
3. Pressure reducing valve
4. Non return valve
5. Expansion vessel
6. Expansion valve + tundish
7. Andrews bronze pump c/w
ball valve unions (part no. B249)
Water Supply Pressure
Min 1.0 bar
Max 10.0 bar
Min flow 3.5 ltrs/min
Bronze secondary return pump
see Fig. No’s. 13 and 14
Gas rate for NG units
WH42 - 5.1 m
3
/hr
WH56, WHX56 - 6.5 m
3
/hr
Gas rate for Propane units
LWH42 - 1.9 m
3
/hr
LWH56, LWHX56 - 2.5 m
3
/hr
Dynamic Pressure
NG 20 mbar
Propane 37 mbar
1
2
3
4
5
6
7
Andrews WH and WHX Single Water Heater Installation with Secondary Return
Fig No.2
Summary of Contents for LWH56
Page 18: ...Dimensions WH42 LWH42 WH56 and LWH56 Fig No 15...
Page 19: ...Dimensions WHX56 and LWHX56 Fig No 16...
Page 20: ...WH42 LWH42 WH56 and LWH56 Pre assembled dual manifold unit dimensions Fig No 17...
Page 21: ...WH42 LWH42 WH56 and LWH56 Pre assembled triple manifold unit dimensions Fig No 18...
