Page No 34 of 52 Reznor, Photon, Installation Manual, EN 2021-04, D3013105 Iss 0
MS
5. The gas valve can now be disconnected
from the venturi by removing the fixing
screws. There are 3 screws on Photon
models 10-70 and 4 screws on Photon
models 100-120. To gain access to the
venturi fixing screws on the gas valves
for the Photon 100 and 120 models, the
combustion fan must be first removed.
Photon 10-70 gas valve fixing screws
Photon 100 remove combustion fan to reveal
gas valve fixing screws
Photon 100 gas valve fixing screws
3 off Fixing
screws
6 off Fixing
screws
4 off Fixing
screws
Photon 120 remove combustion fan to reveal
gas valve fixing screws
Photon 120 gas valve fixing screws
6. The gas supply pipe with flange can be
removed by unscrewing the 4 fixings. Do
not lose the o-ring seal.
Photon 10-70 gas valve inlet flange assembly
Photon 100 gas valve inlet flange assembly
6 off Fixing
screws
4 off Fixing
screws
O ring
O ring
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