Fuel Smart HydroStat 3200-Plus/ 3250-Plus

The Fuel Smart HydroStat is standard equipment on many premier boiler lines. It can also be used as a universal replacement control to improve the performance and fuel efficiency of older boilers. See our Sales Sheet for more information.

Temperature Limit

  • Designed for cold start and tankless coil boilers

Low Water Cut-Off

  • Provides protection against potentially dangerous low water conditions when installed with the Hydrolevel Electro-Well™

Boiler Reset

  • Thermal Targeting – On-board microprocessor saves fuel by adjusting boiler temperature based on heating demand
  • Outdoor Reset Ready – Provides outdoor reset and warm weather shutdown with addition of Outdoor Sensor Kit

» Click here to learn how Fuel Smart HydroStat saves fuel.

» Click here to read more about the Hydrostat’s optional features.

Specifications Model 3250-Plus Model 3200-Plus
Burner Contacts 7.4 FLA, 44.4 LRA@120 VAC 30VA@120VAC
Circulator Contacts 5.8 FLA, 34.8 LRA@120VAC 5.8 FLA, 34.8 LRA@120VAC
Operating Range – Low Limit OFF or 110°F-200°F OFF or 110°F-200°F
Operating Range – High Limit 100°F-220°F 100°F-220°F
Differentials Automatic 10-20 Automatic 10-20

MODEL VOLTAGE DESCRIPTION/OPERATION Replaces
3250 Plus 120 VAC,

60HZ

For oil boilers. Cold Start or Warm Start operation. Thermal Targeting feature factory set to off position. Activation of Thermal Targeting feature will adjust boiler water temperature according to changes in heat load, or use OS-100 Outdoor Sensor Kit to automatically activate outdoor reset and warm weather shut-down functionality. IMPORTANT: LWCO functionality automatically activated when installed on Electro-Well. Honeywell L7124, L7124C, L7148A, L7224A, L7224C, L7224U. L7248C, L8124A, L8124C, L8148A, L8148C
3200 Plus 120 VAC, 60HZ

24VAC Output

For gas boilers. Cold Start or Warm Start operation. Thermal Targeting feature factory set to off position. Activation of Thermal Targeting feature will adjust boiler water temperature according to changes in heat load, or use OS-100 Outdoor Sensor Kit to automatically activate outdoor reset and warm weather shut-down functionality. IMPORTANT: LWCO functionality automatically activated when installed on Electro-Well Honeywell L8124E, L8148E
   View Fuel Smart Hydrostat Video  

*Aquastat is a registered trademark of Honeywell

2019-03-08T15:32:21-04:00