Premium High Flow Water Pumps With A Racing Heritage And A Lifetime Gaurantee
High Performance Thermostats
Manufactured by Robertshaw, modified by Howard Stewart
Featuring the exclusive Robertshaw "Balanced Sleeve" design for maximum cooling. Flow is unobstructed when the thermostat is open.
2.125" O.D. for most domestic applications
Modified for High RPM Applications....some coolant is allowed to flow through the thermostat when closed. This allows the thermostat to re-act quicker to changes in temperature....and to operated properly at high RPM flow.

Model 2125A-160 (160 degrees)$14.95



Model 2125A-180 (180 degrees) $14.95
                               

Model 2125A-195 (195 degrees) $14.95
                                                               
2.125" O.D. for most domestic applications
Modified for High RPM Applications
For Colder Climates
Less coolant is allowed to flow through the thermostat when closed than the 2125A series so your heater will function properly.

Model 2125B-160 (160 degrees) $14.95



Model 2125B-180 (180 degrees) $14.95



Model 2125B-195 (195 degrees) $14.95
2.125" O.D. for most domestic applications
Non-Modified for optimized heater operation.

Model 2125C-160 (160 degrees) $12.95



Model 2125C-180 (180 degrees) $12.95



Model 2125C-195 (195 degrees) $12.95