Functional Devices PSMN300A Power Supply 321894-708 always verify your specific model

always verify your specific model number against the manufacturer’s parts list to ensure all necessary manifold components are included

utilizing a rugged linkage and float mechanism to ensure consistent makeup water delivery

it integrates seamlessly into York and Johnson Controls systems that utilize specific control transformer outputs

The Carrier 06DA660181 is a high-performance suction pressure unloader engineered specifically for Carlyle 06D compressor and 06E series semi-hermetic units

This unit serves as the direct replacement for obsolete part numbers 11B136 and 11B57

Functional Devices PSMN300A Power Supply 321894-708 always verify your specific modelThe Functional Devices PSMN300A is a robust 300VA power supply engineered for high demand Building Automation Systems (BAS) and HVACR control circuits. Featuring a NEMA 1 rated enclosure, this unit converts 120 Vac primary input into 24 Vac secondary output via three independent 100VA Class 2 limited circuits. Each circuit is protected by a 4 Amp circuit breaker, providing essential overcurrent protection for sensitive controllers and actuators.