Watts 0556019 Valve Freon it is designed to mount

it is designed to mount within existing Bard electrical control boxes using original hardware or standard machine screws

Change rotation easily by following the lead wire color-coding instructions provided on the motor shell to match the blower wheel's required direction

Standardized Porting: Features a 1/2" x 1/2" NPT connection for straightforward plumbing integration

As a direct OEM replacement for the Lennox 72F8301

ensuring the valve defaults to an open state during a power loss

Watts 0556019 Valve Freon it is designed to mountThe Watts 0556019, technically identified as the LFN240X 6 150 1, is a heavy duty 1 inch temperature and pressure relief valve engineered for high capacity commercial water heating systems. Designed for precise overpressure protection, this valve features a lead free copper silicon alloy body and a 6 inch stainless steel extension thermostat. With a dedicated 150 psi pressure relief setting and a 210F temperature threshold, it ensures robust system