Strap On Hot Water Control Circulator High-Limit Low-Limit Switch Type SPDT Switch Action Open/Close on Temp Rise Height (In.) 5 5/8 in Width (In.) 2 in Depth (In.) 2 in Contact Rating @ 120V (A) 8 A Contact Rating @ 240V (A) 5.1 A Differential (Deg. F) 5 to 30 Adj. Temp Setting Range (F) 65 to 200