How much does this cost to the nearest dollar?

Grundfos 3/4 Clip-on Aquastat Control
Grundfos 3/4 Clip-on Aquastat Control 3/4 Clip-on Aquastat Control 595444 control automatically turns the circulator OFF when the temperature in the hot water line exceeds 105 degrees F. and back ON when the temperature falls below 85 degrees. May be used alone or with timer control.Grundfos 3/4 Clip-on Aquastat Control Features ; AQUASTAT KIT; 3/4 ; Grundfos 595444 Circulator Pump Accessories Brand Grundfos, Style Circulator Pump, Dimensions LxWxH 4 x 0.75 x 0.75 inches, Power Source Ac/dc, Weight 0.9 Pounds, Dimensions

Price is $57.00

Price: $57.03