Siemens Building Technology 243-00212 Valve Assembly 340793-762 replacing obsolete HD52RE120 units without

replacing obsolete HD52RE120 units without field modifications

for proper operation and to ensure the internal components seat correctly

With an electrical rating of 25 Amps at 250 VAC

note that the 100-square-inch MP86 and MP87 models utilize a dual-pod design and require two MP8000-6350 repair kits for a complete overhaul

this assembly integrates seamlessly with the Tjernlund UC1 Universal Control and other interlock circuits

Siemens Building Technology 243-00212 Valve Assembly 340793-762 replacing obsolete HD52RE120 units withoutThe Siemens 243 00212 is a professional grade 599 Series zone valve assembly engineered for demanding hydronic heating and cooling applications. This 2 way normally open valve features a 3 4" NPT threaded connection and a 4. 1 Cv rating, making it an ideal choice for regulating hot or chilled water in fan coil units, baseboard radiation, and VAV terminal reheat systems. The robust brass body with brass trim and EPDM O rings ensures reliable fluid