Designed for high-pressure performance with a 680 PSI maximum working pressure

Proper manifold pressure calibration is required during installation to ensure this HVAC combustion component operates within the manufacturer's specified parameters for safe and reliable heat exchange

Once the plenum temperature drops to a stable 110°F

eliminating hardware mismatching during HVAC system diagnostics

Engineered for industrial-grade durability

Weil McLain 383-500-601 Temperature Sensor Designed for high-pressure performance withAs a seasoned technician, you know that keeping a hydronic system in check starts with reliable data feeding into the control module. The Weil McLain 383 500 601 is a high precision system temperature sensor designed as a direct replacement component for Ultra Gas and commercial boiler units. This 12k Ohm resistance NTC sensor provides the real time thermal feedback required for proper mod con operation, ensuring the boiler control module can