1. Boat Controls & Steering Offered
  2. sku: 8463937022213722
  3. IMTRA SMTHERM-04K

IMTRA SMTHERM-04K Sidepower Thermo Switch Thruster 752832098310

Smtherm-04k Imtra Sidepower Thermo Switch For Thruster

( Brand: Imtra ), ( Part Type: Switch ), ( Manufacturer Part Number: SMTHERM-04K ), ( Country Of Origin: China ), ( UPC: 752832098310 )

Review IMTRA Sidepower Thermo Switch Thruster

The IMTRA SMTHERM-04K Sidepower Thermo Switch for Thruster is a crucial component in the cooling system of your marine thruster. This high-performance switch is designed to ensure the safe and efficient operation of your thruster by automatically engaging the cooling circuit when the temperature reaches a predetermined level.

The SMTHERM-04K is a side-mounted switch, which makes it ideal for installation in tight spaces. Its compact size, measuring 1.5 inches in diameter and 1.5 inches in height, allows it to blend seamlessly into your thruster's housing. The switch is constructed from marine-grade materials, including a robust, corrosion-resistant aluminum housing, making it well-suited for the harsh marine environment.

The switch features a high-temperature bimetallic element that activates the cooling circuit when the temperature rises above a set point. This element is designed to provide reliable and accurate temperature sensing, ensuring that your thruster stays cool and performs optimally. The switch is rated for a maximum temperature of 155 F (68 C), providing ample protection against overheating.

The SMTHERM-04K comes with a clear, easy-to-read temperature gauge, which allows you to monitor the temperature of your thruster's cooling system at a glance. The gauge is calibrated in both Fahrenheit and Celsius, making it suitable for use in boats with different temperature preferences.

Installation of the IMTRA SMTHERM-04K Sidepower Thermo Switch for Thruster is straightforward and can be completed using standard marine electrical connections. The switch is designed to work with a variety of thruster models, so it's an excellent choice for boat owners looking to upgrade their cooling system or replace a worn-out switch.

In summary, the IMTRA SMTHERM-04K Sidepower Thermo Switch for Thruster is an essential accessory for any marine thruster. Its compact size, marine-grade construction, and reliable temperature sensing make it an excellent choice for boat owners seeking to ensure the safe and efficient operation of their thruster.

The Imtra SMtherm-04K side-mounted thermostat switch is a popular choice for managing the temperature of thruster circuits. Here are some potential pros and cons to consider before making a purchase.

Pros:

1. Temperature Control: The Imtra SMtherm-04K provides accurate temperature control for thruster circuits, ensuring they operate efficiently and safely. Operating temperatures can be set between 60 F and 140 F (15.6 C and 60 C).

2. Durable Construction: The switch is made of marine-grade materials, making it suitable for the harsh marine environment. It also features a marine-grade stainless steel thermostat element, ensuring long-lasting performance.

3. Easy Installation: The side-mounted design allows for easy installation on the outside of the engine room or electrical panel, making it accessible for regular checks and maintenance.

4. Fault Protection: The switch is designed to prevent the thruster motor from overheating, providing an added layer of safety for your boat.

Cons:

1. Cost: The Imtra SMtherm-04K may be more expensive compared to some other thermostat switches on the market.

2. Limited Compatibility: The switch is specifically designed for side-mounted installation, which may not be suitable for all boats or thruster systems.

3. Manual Operation: The switch operates manually, requiring regular checks and adjustments to ensure proper temperature control.

In conclusion, the Imtra SMtherm-04K side-mounted thermostat switch offers accurate temperature control, durability, and safety features for managing thruster circuits. However, it may be more expensive than some alternatives, and its compatibility and manual operation may limit its appeal for some boat owners. Ultimately, the decision to purchase the Imtra SMtherm-04K depends on your specific thruster system requirements, budget, and preference for manual or automated temperature control.

Recommendation:

If you prioritize accurate temperature control, durability, and safety features for your thruster system, the Imtra SMtherm-04K side-mounted thermostat switch is a recommended option. However, if you have a limited budget or prefer an automated temperature control solution, you may want to explore alternative options on the market.

part # smtherm04k prices

  • $103.00-$107.82

specifications dorycontrol:

  • brand: Imtra
  • part type: Switch
  • manufacturer part number: SMTHERM-04K
  • country of origin: China
  • upc: 752832098310

returns dorycontrol:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

offer dorycontrol:

  • quantity: 1
  • started: April 22, 2026
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

payments dorycontrol:

  • credit card: Discover
  • wallet: Paypal
  • other

shipping dorycontrol:

  • cost: $0.00
  • type: Fixed
  • class: Standard
  • service: USPS Ground Advantage
  • transit: 5-10 Days
  • carrier: USPS

seller dorycontrol:

  • # reviews: 188
  • rating: 100.0%

general dorycontrol:

  • condition: New
  • Parts Accessories > Boat Parts > Controls Steering
part type: switch, country of origin: china,
category: boat parts > controls steering, sku: 8463937022213722,

Imtra SMTHERM-04K Is Similar To:

dorycontrol logo
2 offers $103.00–$107.82 USD
  • Offer #1: $107.82 price + $8.95 delivery = $116.77* total. Thermo Switch, for On-Off thruster, for SP75/SE80-12v/24v, SE120-24v, SE150-24v, SP155/SE170-24v, K-Type motor This item replaces part number SMTHERM-05K, SMTHERM-07K.+$8.95 shipping
  • Offer #2: $103.00 price + free delivery = $103.00* total. Brand new , never used.FREE SHIPPING