AQUASTAT PROTECTOR RELAY. 45 SEC SAFTEY SWITCH TIMING. HI LIMIT: 130F-240F. LOW LIMIT: 110-220F. 1 1/2 INCH INSULATION. WITH HEAT CONDUCTING COMPOUND. VERT MOUNTING CASE.
Combination Protectorelay? and Hydronic Heating Control with High limit: 10 F fixed; low limit/circulator: 10 F to 25 F adj. Differential