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it supports remote maintenance signaling and the EZ Walk loop test
maintaining ductwork integrity is paramount for system pressure balance
What is the proper mounting orientation for the remote bulb
or verifying airflow proof in sensitive HVAC systems where the switch must be mounted remotely from the direct sensing point
Nordyne 920665A TXV 319847-401 it supports remote maintenance signalingThe Nordyne 920665A is an OEM grade R 22 TXV designed specifically for 3 1 2 ton residential evaporator coils. As a veteran tech, you know that keeping older R 22 systems running efficiently requires precise superheat control, and this thermostatic expansion valve is the proper 3. 5 ton expansion valve replacement to prevent liquid slugging and evaporator starving. It features a high grade sensing bulb and external equalizer assembly to maintain