Compare Maximum number of 4 items selected Sierra Marine Thermostat - 18-3524 Part #: 18-3524 Line: SIE Sierra Marine Thermostat Limited Lifetime Warranty Material: Brass, Copper Height (in): 1-5/8 Inch Height (mm): 42mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-1/4 Inch Sealing Flange Outside Diameter (mm): 32mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 122 Degree Thermostat - 18-3525 Part #: 18-3525 Line: SIE Sierra Marine 122 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 122 Degree Material: Brass, Copper Height (in): 1-11/16 Inch Height (mm): 42mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-1/4 Inch Sealing Flange Outside Diameter (mm): 32mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 144 Degree Thermostat - 18-3631 Part #: 18-3631 Line: SIE Sierra Marine 144 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 144 Degree Material: Copper, Plastic Height (in): 3-1/16 Inch Height (mm): 78mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 2-13/16 Inch Sealing Flange Outside Diameter (mm): 72mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 140 Degree Thermostat - 18-3632 Part #: 18-3632 Line: SIE Sierra Marine 140 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 140 Degree Material: Copper Height (in): 1-5/8 Inch Height (mm): 42mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-1/4 Inch Sealing Flange Outside Diameter (mm): 32mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 120 Degree Thermostat - 18-3633 Part #: 18-3633 Line: SIE Sierra Marine 120 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 120 Degree Material: Copper, Plastic Height (in): 3-1/16 Inch Height (mm): 78mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 2-13/16 Inch Sealing Flange Outside Diameter (mm): 71mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 140 Degree Thermostat - 18-3634 Part #: 18-3634 Line: SIE Sierra Marine 140 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 140 Degree Material: Copper Height (in): 1-11/16 Inch Height (mm): 43mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-9/16 Inch Sealing Flange Outside Diameter (mm): 39mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 120 Degree Thermostat - 18-3635 Part #: 18-3635 Line: SIE Sierra Marine 120 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 120 Degree Material: Copper, Plastic Height (in): 3-1/8 Inch Height (mm): 80mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 2-13/16 Inch Sealing Flange Outside Diameter (mm): 71mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 140 Degree Thermostat - 18-3636 Part #: 18-3636 Line: SIE Sierra Marine 140 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 140 Degree Material: Copper Height (in): 1-15/16 Inch Height (mm): 49mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-9/16 Inch Sealing Flange Outside Diameter (mm): 39mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 109 Degree Thermostat - 18-3637 Part #: 18-3637 Line: SIE Sierra Marine 109 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 109 Degree Material: Brass, Copper Height (in): 1-13/16 Inch Height (mm): 46mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-1/4 Inch Sealing Flange Outside Diameter (mm): 32mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 125 Degree Thermostat - 18-3638 Part #: 18-3638 Line: SIE Sierra Marine 125 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 125 Degree Material: Brass, Copper Height (in): 1-5/8 Inch Height (mm): 41mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-1/16 Inch Sealing Flange Outside Diameter (mm): 27mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 140 Degree Thermostat - 18-3639 Part #: 18-3639 Line: SIE Sierra Marine 140 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 140 Degree Material: Brass, Copper Height (in): 1-11/16 Inch Height (mm): 42mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-9/16 Inch Sealing Flange Outside Diameter (mm): 39mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 248 Degree Thermostat - 18-3640 Part #: 18-3640 Line: SIE Sierra Marine 248 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 248 Degree Material: Brass, Copper Height (in): 1-5/16 Inch Height (mm): 34mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1 Inch Sealing Flange Outside Diameter (mm): 25mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 140 Degree Thermostat - 18-3641 Part #: 18-3641 Line: SIE Sierra Marine 140 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 140 Degree Material: Brass, Copper Height (in): 1-5/8 Inch Height (mm): 42mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-9/16 Inch Sealing Flange Outside Diameter (mm): 39mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 140 Degree Thermostat - 18-3642 Part #: 18-3642 Line: SIE Sierra Marine 140 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 140 Degree Material: Brass, Copper Height (in): 1-1/4 Inch Height (mm): 32mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-1/8 Inch Sealing Flange Outside Diameter (mm): 28mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 143 Degree Thermostat - 18-3643 Part #: 18-3643 Line: SIE Sierra Marine 143 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 143 Degree Material: Brass, Plastic Height (in): 1-1/2 Inch Height (mm): 37mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-1/4 Inch Sealing Flange Outside Diameter (mm): 31mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 174 Degree Thermostat - 18-3679 Part #: 18-3679 Line: SIE Sierra Marine 174 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 174 Degree Material: Brass, Copper Height (in): 2 Inch Height (mm): 50mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 2-5/8 Inch Sealing Flange Outside Diameter (mm): 67mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 180 Degree Thermostat - 18-3680 Part #: 18-3680 Line: SIE Sierra Marine 180 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 180 Degree Material: Brass, Copper Height (in): 1-1/2 Inch Height (mm): 38mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-3/4 Inch Sealing Flange Outside Diameter (mm): 44mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 140 Degree Thermostat - 18-3684 Part #: 18-3684 Line: SIE Sierra Marine 140 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 140 Degree Material: Brass, Copper Height (in): 1-1/4 Inch Height (mm): 32mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-1/16 Inch Sealing Flange Outside Diameter (mm): 28mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 160 Degree Thermostat - 18-3687 Part #: 18-3687 Line: SIE Sierra Marine 160 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 160 Degree Material: Brass, Copper Height (in): 1-11/16 Inch Height (mm): 42mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1-1/4 Inch Sealing Flange Outside Diameter (mm): 32mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 170 Degree Thermostat - 18-43015 Part #: 18-43015 Line: SIE Sierra Marine 170 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 170 Degree Material: Brass, Copper Height (in): 2 Inch Height (mm): 51mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 2-1/8 Inch Sealing Flange Outside Diameter (mm): 54mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 160 Degree Thermostat - 18-43017 Part #: 18-43017 Line: SIE Sierra Marine 160 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 160 Degree Material: Brass, Copper Height (in): 1-15/16 Inch Height (mm): 50mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 2-1/8 Inch Sealing Flange Outside Diameter (mm): 54mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine 120 Degree Thermostat - 18-43052 Part #: 18-43052 Line: SIE Sierra Marine 120 Degree Thermostat Limited Lifetime Warranty Temperature (Deg F): 120 Degree Material: Brass, Copper Height (in): 1-3/8 Inch Height (mm): 35mm Jiggle Pin Included: No Sealing Flange Outside Diameter (in): 1 Inch Sealing Flange Outside Diameter (mm): 25mm Show More Show Less
Compare Maximum number of 4 items selected Sierra Marine Thermostat - 4441100034 Part #: 4441100034 Line: SIE Sierra Marine Thermostat 2 Year LIMITED WARRANTY Jiggle Pin Included: No
Compare Maximum number of 4 items selected Sierra Marine Thermostat - 4450001850 Part #: 4450001850 Line: SIE Sierra Marine Thermostat 2 Year LIMITED WARRANTY Jiggle Pin Included: No