It features a robust 24-inch ignition wire

Once the plenum temperature drops to a stable 110°F

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

this 30A inductive relay features a 24V coil voltage and a normally open (N/O) contact configuration

Can I use this for R-22 to R-410A retrofits

Weil McLain 383-500-601 Temperature Sensor It features a robust 24-inchAs 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