Robertshaw 4290-020 Gas Thermostat Refrigerant the AV-394 is the critical

the AV-394 is the critical mechanical bridge required to maintain system uptime without replacing entire valve assemblies

any existing auxiliary switches must also be replaced to ensure system compatibility

Complete Seal Kit: Provides fresh O-rings and gaskets to eliminate vacuum or pressure leaks in the housing

By keeping the lubricant at a temperature higher than the evaporator's saturated suction temperature

Robertshaw 4290-020 Gas Thermostat Refrigerant the AV-394 is the criticalThe Robertshaw 4290 020 Gas Thermostat is a heavy duty capillary gas control thermostat engineered for high temperature regulation in demanding commercial kitchen environments. Designed specifically for commercial gas cooking equipment, this control manages temperatures ranging from 200F to 550F, making it a standard component for pizza ovens, rotisseries, and industrial baking ovens. It features a 1 4" sensing tube paired with a 36 inch capillary,