How do I know if my heating element is burnt out

the Danfoss 068Z3209 is a valve body only

Direct Retrofit Compatibility: Engineered as a certified replacement for 92-460

as long as the line sizes and tonnage requirements match the original 669464 specifications

Burnham Boiler 104939-01 Coil THPU32HP7Y How do I know ifAs a veteran contractor, you know that maintaining domestic hot water performance depends on a reliable tankless heating coil. The Burnham Boiler 104939 01 Hot Water Coil is the high performance 222B round tankless coil designed specifically for the rigorous demands of MegaSteam, V7, and V8 series boilers. This OEM replacement part is the engineering standard solution for discontinued part numbers 6036007 and 6036036. Featuring a robust 6 bolt