Kohler 200REOZV / D 200 — Checking Thermostat Function
Testing & diagnosis · Cooling system thermostat
For the Kohler 200REOZV / D 200, from the Kohler service manual.
Applies to: Kohler 200REOZV
Procedure
- Make sure the thermostat is completely closed (no gap visible in the opening).
- Heat water in a receptacle to 70°C (158°F) and immerse the thermostat.
- Check that the thermostat is still closed after at least 30 seconds.
- Heat the water to boiling point, 100°C (212°F).
- After at least 30 seconds, check that the thermostat has opened a minimum of 7 mm (0.28 in.).
- Replace the thermostat if it does not open.
Specs & values
- Thermostat starts opening at 75°C (167°F)
- Thermostat fully open at 88°C (190°F)
- Minimum opening at 100°C: 7 mm (0.28 in.)
Full service-parts list: Kohler 200REOZV →
Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.