White Rodgers Pool-N-Spa Aquastat (35F-110F w/1/2" NPT well)

This immersion type aquastat is used in several applications such as Outdoor Wood Furnaces. For example when you need to measure the temperature of pool water to trigger either a pump or zone valve. Used as High Limit, Reverse Action or SPDT Switching Action: May be mounted either horizontal or vertical. Features: Extra capillary length for extended shank wells Special screw terminals with "ears" securely hold solid and stranded wires Screwdriver-adjustable differential with direct-read indicator Knockouts on top and bottom and plenty of wiring room Hydraulic action element - fast acting Specifications: Range - 35 to 110F (2 to 43C) Differential - Fixed 2F (1C) Switch Action - Open on Rise/Dimensions - 5 3/8" H + 2 5/16" coil x 2 9/16" D Finish - Grey Agency - U.L. listed and C.S.A. certified Has special straight well for 4" x 7/16" straight bulb.