Normally Closed: Thermostat opens at temperature rise. Comes with a red module.
Normally Open: Thermostat closes at temperature rise. Comes with a blue module.
† All dollar amounts on this site are shown in US currency. Note: Comes with complete operator’s manual. Ordering Example: (1) FT01160000 Thermostat, fixed point, NC, 15°C (59°F) open/5°C (41°F) close, $14.00