The Johnson Controls A-4400-608 is a professional-grade particle filter element specifically engineered for high-demand pneumatic environments

This unit is rated for a maximum supply air pressure of 25 PSIG

though you must verify the specific orientation of the core spring during reassembly according to the valve’s nameplate

the "NV" suffix indicates this is the pump motor head only

The unit features a standard threaded connection

Resideo C7735A1000 Temp Sensor 318973-401 The Johnson Controls A-4400-608 isThe Resideo C7735A1000 is a high precision discharge air temperature sensor designed for critical capacity control in residential and commercial zoning systems. As a veteran grade HVAC duct sensor, it provides real time monitoring of supply air to protect heat exchangers from overheating and evaporator coils from icing. Engineered for seamless integration with Honeywell Home TrueZONE panels (including HZ432, HZ322, and HZ311), this RedLINK compatible