Siemens Building Technology 658-0012 Valve 340793-762 The most common failure points

The most common failure points are restricted airflow (often from dirty filters or a failing blower)

Improves safety and helps meet code requirements

As a direct OEM furnace replacement part

Whether you are servicing a Lochinvar boiler or an A

or intermittent pressure switch faults

Siemens Building Technology 658-0012 Valve 340793-762 The most common failure pointsThe Siemens Building Technology 658 0012 is a heavy duty 1" N O pneumatic radiator valve engineered for proportional control in two pipe steam or hot water heating systems. As part of the professional grade Siemens Powertop 658 Series, this angle union valve features a 10 Cv flow coefficient and a field tested 2 6 psi spring range. Designed for the rigors of commercial mechanical rooms, the unit includes a stainless steel stem for enhanced durability