Seat located above drain; water can't be trapped and sediment can't foul seat
Non-mechanical seat-to-disc alignment will not stick or freeze
Water seal of high temperature resisting material isolates spring working parts from water during relief
Nonmetallic disc-to-metal seating
The discharge line must be the same size as the valve outlet, and must pitch downward from the valve to a safe place for disposal
Valve lever must be tripped at least once a year to ensure that waterways are clear, This device is designed for emergency safety relief and shall not be used as an operating control
