Pump-driven circulation heaters use an electric pump to move heated coolant through the engine. This helps distribute heat more evenly and brings the engine to its ideal operating temperature faster. The benefit is reliable starting and quicker load acceptance for generator sets and other critical equipment.
Benefits of a Pump Driven Circulation Heater
Uniform Heat Distribution
By continuously moving heated coolant through the system, the integrated electric pump helps distribute heat evenly across the engine for more effective preheating.
Reduced Thermal Stress
Controlled coolant movement helps limit localized boiling and excessive hose temperatures, which can reduce service needs and help extend the life of your engine.
Designed for Critical Equipment
Available in a range of power ratings, thermostat options, and flow capabilities, these heaters are designed to support generator sets, stationary engines, and large equipment that power mission critical infrastructure.
Choosing a Heater
Heaters are recommended around the total wattage needed for your application. Wattage is based on engine size (L), minimum ambient temperature, and how quickly the coolant needs to be at operating temperature. View this chart for more info.
A proven heating solution that circulates coolant for even engine temperatures, ideal for medium to large diesel and natural gas generators. Available with two fixed thermostat choices and a variety of wattages to fit your application, for straightforward installation or field replacement.
APPLICATIONS
- Diesel generators
- Natural gas generators
FEATURES
- Nonmagnetic impeller
- Alloggiamento in alluminio pressofuso
- UL and CSA Listed
- Safety shutoff thermostat
- Serviceable pump and element kits
BENEFITS
- Uniform engine temperature
- Faster warm up than passive circulation
- Reduced coolant boiling
- Lower hose temperature
SPECIFICATIONS
1500W Model
- Watt
- 1500W
- Voltage
- 120V
- Hose Connection
- 5/8″ (16mm)
- Temp Options
- 80°F, 100°F, 125°F
- Cord Length
- 6′ or 12′
- Tipo di spina
- NEMA 5-20P
2700W Model
- Watt
- 2700W
- Voltage
- 120V
- Hose Connection
- 5/8″ (16mm)
- Temp Options
- 80°F, 100°F, 115°F
- Cord Length
- 6′ or 12′
A compact pump-driven coolant heater for diesel and natural gas generator sets. FlowStart combines efficient circulation, thermostat control, and overheat protection in a small package that is easy to install.
APPLICATIONS
- Diesel generator sets
- Natural gas generator sets
- Compact engine installations
FEATURES
- Integrated high efficiency pump
- Cast aluminum housing
- Manual reset safety thermostat (230°F)
- UL Certified
- PA66 electrical cover
BENEFITS
- Even heat distribution
- Quick cold starts
- Warm engine ready to accept load
- Reduced engine wear
SPECIFICATIONS
- Watt
- 500 – 2000W
- Voltage
- 120, 208, 230, or 240V
- Temp Options
- 89–104°F or 95–122°F
- Cord Length
- 6.9′
An integrated pump and heater for mid-large engines, generator sets, and large equipment. Choose TopStart when the application needs adjustable temperature control, broader electrical options, and more heating capacity than a compact system.
APPLICATIONS
- Mid-Large engines
- Generator sets
- Large equipment
FEATURES
- Glandless circulation pump
- Corpo in alluminio pressofuso
- Manual reset safety thermostat (230°F)
- Single or three phase options
- Adjustable thermostat 32°F–176°F (0–80°C)
- 3/4″ NPT or BSP connections
BENEFITS
- Even heat distribution
- Faster operating temperature
- Faster load acceptance
- Reduced engine wear
SPECIFICATIONS
- Watt
- 500 – 12000W
- Voltage
- 120, 208, 230, 240, or 480V
- Frequency
- 50 or 60 Hz
- Flow Rate
- 7 – 8.8 gpm at 4.7 psi
- Cord Length
- 4.9′ (150cm)
A dedicated fluid preheating system for biodiesel and engine oil in large generator sets and equipment. Its high-pressure circulation pump helps maintain viscosity and improve lubrication where standard coolant heaters are not the right fit.
APPLICATIONS
- Large engine generator sets
- Large equipment
- Biodiesel systems
- Engine oil systems
FEATURES
- Integrated circulation pump
- Aluminum heater housing
- Incoloy 800 heating element
- Adjustable regulating thermostat
- Manual reset safety thermostat
- 3/4″ BSPP inlet and 1″ BSPP outlet
BENEFITS
- Maintains fluid viscosity
- Improves lubrication
- Supports cold starts
- Reduces engine wear
- Purpose built for biodiesel and oil
SPECIFICATIONS
- Watt
- 1000 – 2700W
- Voltage
- 120 or 230V
- Temp Options
- 32 to 104°F
- Safety Thermostat
- 149°F manual reset
- Flow Rate
- Up to 6.6 gpm at 87 PSI
Find the Right Engine Heating Solution for Your Application
Let our experienced team help you find a heating solution tailored to your equipment, operating conditions, and performance goals.
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