Field performance depends on precise temperature-to-voltage conversion

Always verify the WC (Water Column) ratings on the existing switch's label before installation

The EP2100S transducer is engineered for versatility in the field

it ensures the boiler's induction blower provides sufficient airflow before allowing the ignition sequence to proceed

Watts 0382024 Valve Els PW 29614 Field performance depends on preciseThe Watts 0382024 (Model 740 3 4 40) is a high capacity boiler pressure relief valve designed specifically for hot water space heating systems. Built with a rugged iron body construction, this valve features 3 4" x 1" FNPT connections with an expanded outlet to facilitate maximum discharge during emergency pressure spikes. Rated for a steam discharge capacity of up to 1,139,000 BTU hr, it ensures critical system protection by maintaining a factory set