For the 1311-104 valve

As a direct replacement for the Crown 440-583-000 rollout switch

Low Pressure Drop: Optimized media design reduces energy consumption by maintaining high flow rates with minimal resistance

and subcritical CO2 systems

Internal Safety Protection: Features a pressure-sensitive interrupter to disconnect the capacitor in the event of internal failure

Carrier 48TJ500070 Fan Guard Grill 318518-761 For the 1311-104 valveThe Carrier 48TJ500070 Fan Guard Grill is a critical OEM replacement part designed specifically for commercial rooftop units and industrial air handlers. This heavy duty fan grille measures 29 inches by 29 inches with a 5 inch depth, providing a robust physical barrier that protects the fan blade assembly from debris ingestion and accidental contact. As a direct replacement for the Carrier 48TJ500 070, it ensures proper clearance and structural