Heatcraft Refrigeration 5521R Thermostat 328140-751 the BD34519 (identical to model

the BD34519 (identical to model B34519-235) provides a robust straight-thru flow path

it provides the structural stability required to facilitate uniform heat distribution across the plenum

this valve provides instantaneous response to discharge air temperature changes

Broad Compatibility: Replaces older part numbers such as 1184392 and matches the 36J56-580 manufacturer specification perfectly

Enhanced Thermal Resistance: Engineered with premium materials to prevent cracking under high heat cycles

Heatcraft Refrigeration 5521R Thermostat 328140-751 the BD34519 (identical to modelThe Heatcraft Refrigeration 5521R Thermostat is a high reliability 2 wire thermostat engineered specifically for the rigorous demands of commercial refrigeration and industrial HVAC systems. Designed as a direct replacement component for Heatcraft refrigeration systems, including brands like Bohn, Larkin, and Climate Control, this mechanical control provides precise temperature regulation across walk in coolers and freezers. Its robust construction