Upon checking, we have a very similar thermostat with same specs as the confirmed Manual Reset thermostat for Power4, but different on thermostat bracket only (as attached images).
The supplier having ex-stocks of 470pcs ready to ship. I enclosed herewith the technical drawing of thermostat for your engineer to consider on installation.
Would you please evaluate if this bracket/ cap able to accept for the first lot as you have high urgency at this peak season?