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Difference between Rheem UV11699 and SP11699 Same ... both control 1 element on a 2-element simultaneous, or on a 1-element residential water heater Most residential water heaters are 2-element non-simultaneous |
| UV = Universal Parts
fit all brands water heater SP = Preferred parts are same or similar to UV Local YMCA hot tub = temperature 105°/ Typical shower-bath = 110°F |
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UV11699 SP11699 Controls 1 element For simultaneous water heaters Or water heaters with 1 element Resource: How water heater thermostats work Minimum temperature 90° Maximum 150° High Limit trips at 170° All values +/- 5 Standard Therm-O-Disc Upper Thermostat One or two element simultaneous 208, 240, 277, 480 volt Buy: Rheem UV11698 Rheem SP11699 Camco 8143 Camco 07843 / 110-160° |
| SP213600 SP213590 SP310230 SP11234 SP11231 |
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UV11698 SP11698 Upper thermostat for non-simultaneous 2-element water heaters Typical residential water heater is non-simultaneous 2-element tank Use this one for ordinary residential water heater -Use on single phase water heaters, non-balanced 3-phase, and some 3-phase water heaters Resources: How water heater works Figure volts amps watts 3-phase water heaters Difference single-phase and 3-phase Minimum temperature 90° Maximum 150° High Limit trips at 170° Thermostat differential 17-27°F All values +/- 5 Standard Therm-O-Disc Upper Thermostat - Two element simultaneous 208, 240, 277, 480 volt Buy: Rheem UV11698 Rheem SP11698 Camco 08163 Aprom / 110-160° |
| SP210245 High Limit Setting (F): 170. High Limit Tolerance (F): +/- 5. High Limit Contact Configuration: DPST. Thermostat Adjustment Range (F): 80 to 140. Thermostat Tolerance (F): +/- 5. . Thermostat Contact Configuration: SPDT. |
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Difference between
1-element / 2-element thermostat Upper thermostat for non-simultaneous dual-element tank has 3 screws on right side. Thermostat for simultaneous single-element tank has 2 screws on right side. Dual element thermostat will work in place of single-element, but single-element thermostat will not work for dual. All dual-element and single-element thermostats works on 120V / 208-240V/ 277V / 480V etc All thermostats are generic and can be used in place of each other... except you cannot use single for dual Upper thermostats have ECO reset button that trips when temperature reaches 170° |
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UV11700 For 120 volt water heaters with 1 element Note... there are no screws on right side of thermostat Use for 120 volt only, unsafe for 240 volt water heaters Resource: How to wire under counter water heater Minimum temperature 90° Maximum 150° High Limit trips at 170° Thermostat differential 17-27°F All values +/- 5 Standard Therm-O-Disc Upper Thermostat One element simultaneous 120 volt Buy: Rheem UV11700 Rheem SP11700 Therm-o-disc 08013 |
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UV11695 SP310020 Lower thermostat for non-simultaneous 2-element water heaters Use this one for ordinary residential water heater Minimum temperature 90° Maximum 150° Thermostat differential 17-27°F All values +/- 5 Standard Therm-O-Disc Lower Thermostat 208, 240, 277, 480 volt Buy: Rheem UV11695 Rheem SP11695 Therm-o-disc 08123 or Camco 8123 Camco 07723 / 110°-160° |
| SP8295 | |
| Commercial/ high temperature thermostats | |
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Rheem
SP8294 SP8293 Therm-o-disc 59T SPST Commercial thermostat Temperature range exceeds residential tank Controls 1 element Use for commercial simultaneous water heater Use for non-balanced 3-phase or single-phase 208, 240, 277, 480 Volt Minimum temperature 110° Maximum 170° High Limit trips at 190° Thermostat differential 17-27°F All values +/- 5 Buy: Rheem SP8294 |
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Rheem SP8293 Therm-o-disc 08304/ 59T SPDT Commercial thermostat Temperature range exceeds residential tank Upper thermostat Use for commercial non-simultaneous water heater Use for non-balanced 3-phase or single-phase 208, 240, 277, 480 Volt Minimum temperature 110° Maximum 170° High Limit trips at 190° Thermostat differential 17-27°F All values +/- 5 Buy: Rheem SP8293 / 170° Camco 08304 / 180° |
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Rheem SP8295 Therm-o-disc 08314/ 59T SPST Commercial thermostat Temperature range exceeds residential tank Controls 1 element Use for lower thermostat on non-simultaneous commercial water heater Use for non-balanced 3-phase or single-phase 208, 240, 277, 480 Volt Minimum temperature 110° Maximum 170° High Limit trips at 190° Thermostat differential 17-27°F All values +/- 5 Buy: Rheem SP8295 / 170° Camco 08314 / 180° |
 Digital
controller... activated by temperature probe
Proportional Integral Dervative/ PID control PID controller is activated by temperature-sensitive thermocouple or thermopile. Use the PID to control any other circuit. Best to use PID to control a contactor or relay instead of directly connecting load to PID Use contactor or relay as shown in illustrations below ''Output actuator has a resolution of about 3%''. So if temp setting on PID is 140° then actual temperature is 140° ±3% or 4.2° margin of error. Using a separate contactor or relay that is rated for elements and motors allows millions operations without risk of overload and burnout of PID terminals. Buy: PID Temperature controllers Digital temperature controller 30 amp contactors Omron relay Solid State Relay Board for Arduino Resources: Contactors Select breaker and wire size Example wiring for PID |
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 Buy: PID Temperature controllers Digital temperature controller 30 amp contactors Solid State Relay Board for Arduino |
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