it is recommended to mount the unit in a vertical plane with the coil terminals facing upward

which can improve durability under load

ensuring matched port alignment and electrical connectors

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

Is this sequencer suitable for 120V systems

Watts 0382024 Valve Els PW 29614 it is recommended to mountThe 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