Cast Iron Construction: Provides superior structural integrity and longevity in closed-loop systems

When your sequence of operations requires reliable end-switch confirmation

With a maximum pressure rating of 125 psi and a high-flow CV rating

utilizing relay outputs to manage compressor and defrost heater sequencing

the L4-01173-4 is specific to certain series

Copeland 943-0132-00 Board Kit 326058-757 Cast Iron Construction: Provides superiorThe Copeland 943 0132 00 Board Kit is a specialized HVAC communication module designed to establish a 1 way data stream between Copeland scroll compressors and external condensing unit controllers. Built for reliability in demanding commercial and residential environments, this One Way Communication Board Kit operates on a 12 24 VDC power supply and is rated for ambient temperatures ranging from 32F to 158F. By integrating this OEM diagnostic module,