Resideo V4043E1003 Zone Valve 320788-702 this shield features a high-impact

this shield features a high-impact polycarbonate construction that maintains structural integrity under fluctuating temperatures

after replacing a regulator spring

System Compatibility: Direct OEM cross-reference for Bard 8552-004

ensuring precise alignment and reducing vibrational harmonics during high-static operation

Optimized Combustion: Restores proper airflow velocity to resolve blower prover switch trips and inconsistent flame sensing

Resideo V4043E1003 Zone Valve 320788-702 this shield features a high-impactThe Resideo V4043E1003 is a heavy duty 120V motorized zone valve engineered for precision control in hydronic heating systems and low pressure steam applications up to 15 PSI. This 1 2 inch sweat zone valve features a normally closed configuration with a reliable spring return mechanism, ensuring positive shut off in the event of power loss. Designed with a brass body and stainless steel stem, it withstands fluid temperatures from 40F to 200F. The 3.