It is optimized for main burner and pilot load applications where continuous

allowing for flexible mounting in diverse mechanical layouts

System Longevity: Built with an aluminum alloy body and high-grade internal components to resist the vibration and heat typical of wall-mount boiler cabinets

and TRF2002K

Resideo V4043E1003 Zone Valve 340793-762 It is optimized for mainThe 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.