This mechanical heat-only thermostat features a simplified two-wire (R and W) connection

the -959 suffix indicates that mounting parts and electrical components are included

Built with a rugged zinc die-cast housing and electrostatic epoxy coating

high-density panel organization

stainless steel trim models are required for 15 psig steam service

Tecumseh AE1199E-215-J7 Compressor 319825-402 This mechanical heat-only thermostat featuresThe Tecumseh AE1199E 215 J7 (Model AE4430Y AA1A) is a high performance hermetic reciprocating compressor engineered for HBP CBP (High Commercial Back Pressure) applications. This 1 4 HP unit operates on 115V single phase power and is optimized for R134a refrigerant, though it is also compatible with R513A retrofits. With a cooling capacity of 3465 BTU, it provides reliable thermal management for commercial reach ins and display cases. The high start