Model 33A00-1 mounts in an indoor or outdoor location to send the temperature to OMNI LT OMNI, OMNI II and OMNI Pro II. It is coated with a sealant to resist moisture. Supplied with stainless steel mounting screws and waterproof connectors.

When used in conjunction with RC Series Thermoststats and an OMNI Series controller, Outdoor Temperature is Displayed on the RC Series Thermostat.