SECTION
5
Aquastats HydroStat™ Model 3250 & 3200
Fuel Smart Hydrostat Temperature Limit, Low Water Cut-Off and Boiler Reset Control Temperature Limit and Low Water Cut-Off with Boiler Temperature Reset – for Oil & Gas Fired Boilers Temperature Limit
Universal Replacement for common Aquastat models • Provides cold start and tankless-coil operaton. • Easy to Set, dial type limit settings.
Boiler Reset
Lowers the boiler temperature to save fuel without scrificing comfort • Easy to install – no outdoor sensor required. • Easy to Set – just dial in the number of heating zones. Low Water Cut-Off (when used with Electro-Well™)
Protects boilers from damaging low water conditions SPECIFICATIONS Operating Range - Low Limit Operating Range - High Limit Differentials MODEL#
VOLTAGE
Model 3250
MODEL 3200
OFF or 110°F - 200°F
100°F - 220°F
100°F - 220°F
100°F - 220°F
Automatic 10° - 20°
Automatic 10° - 20°
DESCRIPTION
WEBB#
3250
120, VAC, 60HZ
For oil boilers. Cold Start or Warm Start operation. Activation of Thermal Targeting feature will adjust boiler water temperature according to changes in heat load. IMPORTANT: Provides temperature and reset functionality ony when installed on existing standard immersion well. LWCO functionality actives when installed on ElectroWell.
432972
3200
120, VAC, 60HZ 24VAC Output
For gas boilers. Cold Start or Warm Start operation. Activation of Thermal Targeting feature will adjust boiler water temperature according to changes in heat load. IMPORTANT: Provides temperature and reset functionality ony when installed on existing standard immersion well. LWCO functionality actives when installed on ElectroWell.
432973
Combination Controls Aquastat, Multi-Function — Aquastat and Oil Primary
R8182 Combination Protectorelay® and Hydronic Heating Immersion type Aquastat controller and oil burner primary control provides high limit and low limit/circulator control for oil-fired hydronic heating systems. • Use in intermittent Ignition applications. • Capable of zone control with zone valves. • Flame failure during the running cycle results in a 45 second attempt to restart. If unsuccessful, safety shutoff occurs, requiring manual reset before burner can be restarted. • C554A Cadmium Sulfide Flame Detector and a 24 Vac thermostat required. MFR#
38
Mounting
R8182D1079
Vertical
R8182D1111
Horizontal
R8182H1070
On Junction Box
F.W. Webb Company
Differential
Operating Range, High Limit
High Limit; 10°F Fixed; Low Limit/Circulator; 10°F To 25°F Adj.
130°F to 240°F Auxiliary ZC and ZR terminals may be used to provide circulator zone control through an R845A Switching Relay
WEBB# 69622 31363 30881
fwwebb.com