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BLR77L3C4 screw plug immersion heater
- Comes with an explosion proof wiring enclosure and a thermostat
- DPST on/off from 30°F to 110°F with a differential up to 12°F
- the heater has (3) 316-ss passivated 7.625-inch length heating elements
- with epoxy resin end seals rated at 194°F and a thermowell for sensor.
- The heater has no heat the first 2.625 inches from the screw plug and has
- an approximate shipping weight of 10/lbs.
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Applications that require heating Deionized/Demineralized Water
- Steam boilers and cooling systems
- Manufacturing lead-acid batteries
- Car washes
- Electronics manufacturing
- Medical and Pharmaceutical manufacturing
- Cleaning processes
- Manufacturing Cosmetics and Personal Care Products
Features & Benefits of the Watlow® immersion heater
The integral thermowell provides a convenient method for temperature sensor insertion and allowing a replacement without draining the fluid being heated. The WATROD™ hairpin bend is re-compacted to maintain the mineral insulation density and maintain the dielectric strength and heat transfer efficiency. The heating element has a bright annealing passivation for corrosion resistance.
NOTE: A NEMA-7 enclosure designated for locations classified as Class-1, Division-1, Groups A,B,C, or D as defined in NFPA 70 is installed on this heater; however, is NOT CERTIFIED as installed on the heater. To obtain CSA certification as explosion proof Class-1, Groups B,C,D as installed on the heater, the end user must provide Watlow® the following intended process conditions: operating temperature, operating pressure, media type being heated, including the installation orientation of the heater (horizontal or vertical).
One conduit hub is supplied as per drawing
Data sheet
- Enclosure
- Nema 7 & 4 hazardous & wet proof
- Thermostat
- 30° ~ 110°F range with up to 12° differential
- Line power
- 240v AC 3-phase delta
- Wattage
- 3000 watt
- Mounting
- 2-1/2" NPT screw plug
- Immersion Length
- 7.625"
- Weight
- 10-lbs