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12_904e46f1-b6ec-4c30-a29e-39160d1a46c8 - Northline Parts

HOTSTART TPS101GT10-000 1000W 120V Coolant Heater

SKU: NLT2T02565
$154.09 In Stock
$154.09
Sale price  $154.09 Regular price 
Ships for free in 2–4 business days.
1000-watt 120-volt HOTSTART TPS101GT10-000 thermosiphon engine coolant heater for compatible liquid-cooled engines.
Estimated delivery between
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
Application Fitment Notes
Liquid-cooled industrial, generator and equipment engines Installation depends on correct hose routing and natural coolant circulation.

Product Overview

This external tank-style heater warms engine coolant and uses natural thermosiphon circulation to move heat through the cooling system without a circulation pump.

Published specifications list a 100°F thermostat-on point and 120°F thermostat-off point, 8.4-amp draw and application up to approximately 350 CID / 5.7L engines when properly installed.

Key Features & Performance

  • 1000W engine coolant heater
  • 120V AC / 60Hz
  • Thermostatically controlled thermosiphon design
  • For compatible engines up to approximately 350 CID / 5.7L

Common Reasons for Replacement

  • Cold-weather starting assistance
  • Need to reduce warm-up time
  • Replacement of failed external coolant heater

Technical Specifications

  • Voltage: 120V AC
  • Power: 1000W
  • Current: Approximately 8.4A
  • Thermostat: On 100°F / Off 120°F
  • Maximum Engine Size: Approximately 350 CID / 5.7L

OE / Reference Numbers

  • TPS101GT10-000
  • 590-835
  • 263-0630

Frequently Asked Questions

How do I confirm compatibility? Confirm heater voltage, wattage, hose size and installation layout. Thermosiphon heaters require correct low-to-high coolant routing.

Is this an OEM part? This listing is for a replacement part. Brand names and OE/reference numbers are used to identify fitment unless the listing specifically states that the item is genuine OEM.

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