Lochinvar & A.O. Smith 100208835 Thermostat Control 30067439-890 Because this is a non-spring

Because this is a non-spring return actuator

Rugged Protection: Inputs and outputs are electrically protected against wiring errors

the 1VL40 series sheave is compatible with 3L

Common Questions & Technical Support Can this valve be used on systems smaller than 5 tons

5 and 3-ton evaporators but versatile enough for various R22 HVAC systems

Lochinvar & A.O. Smith 100208835 Thermostat Control 30067439-890 Because this is a non-springMaintain precise thermal regulation in high demand heating systems with the Lochinvar & A. O. Smith 100208835 Thermostat Control. This professional grade 2 stage thermostat is an OEM replacement designed to drop directly into Copper Fin CB and CW series boilers (models 497747) as well as various Lochinvar and A. O. Smith water heaters. Also recognized by part numbers TST2314 and TST2314K, this control is the verified successor to the discontinued