The integral vent limiting orifice acts as a breather hole

this non-spring return actuator is the preferred 203762C replacement for contractors upgrading legacy Series 90 or Series 70 setups

featuring a redesigned ceramic insulator that resists carbon tracking and moisture fouling

and 10U9301

To ensure a self-draining body and proper seat alignment

Heatcraft Refrigeration 2890109 Thermostat L99H008 The integral vent limiting orificeThe Heatcraft Refrigeration 2890109 Thermostat is a heavy duty OEM control designed for low temperature applications, specifically engineered to manage defrost termination and evaporator fan delay. This bimetal disc thermostat is critical for maintaining system efficiency in walk in freezers and unit coolers under the Bohn, Larkin, and Climate Control brands. By preventing the evaporator fans from circulating warm, moist air immediately after a