General how many bolts in thermostat housing

[neilmorrison135]

hi, have looked at my thermostat and can only see 2 bolts when normally there are 3,but not sure if one is located on the blind side where it is very difficult to get too,any help much appreciated ,thanx in advance

 

[r masters]

if same as mine scudo 2.0jtd only 2 bolts