Lennox 15W12 Expansion Valve R-407C 'Close on Fall' refers to
Platform notes & fabric story
Description
Lennox 15W12 Expansion Valve R 407C 'Close on Fall' refers to 'Close on Fall' refers to the switch closing its contacts when the negative pressure (vacuum) drops to the specified 0 This 2 way normally open valve features a robust cast bronze body and reliable brass trim