SKU: 42890230035

TriangleLab Rapido ACE Hotend (Hot End) HF / UHF with 104NT or PT1000 Thermistor

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Description

TriangleLab Rapido ACE Hotend (Hot End) HF / UHF with 104NT or PT1000 ThermistorOur friends over at TriangleLabs have taken the proven Rapido 2 hot end design and made its even better. This isn't your typical Rapido! This includes an embedded thermistor for greater precision in temperature readings and features a copper alloy 2 stage heatbreak. This model with the 2 stage insulated heatsink design prevents heat from the heat block screws being conducted further upwards and creating heat creep problems. This hotend features a

Our friends over at TriangleLabs have taken the proven Rapido 2 hot end design and made its even better. This isn't your typical Rapido!

This includes an embedded thermistor for greater precision in temperature readings and features a copper alloy 2-stage heatbreak. This model with the 2 stage insulated heatsink design prevents heat from the heat block screws being conducted further upwards and creating heat creep problems.

This hotend features a smaller heatsink but is still compatible with the Rapido or Dragon mounts on your printer. The rest fits the bill of the Rapido 2, with plaid copper parts, ceramic heater core, and copper nickel plated heat block. 

From our friends:

About Heatsink

Carefully designed internal temperature sensor formore accurate and stable heater block temperature readings.

The tapered heatsink cooling section ensures effective and tight contact. The cold end of the heat breaker only comes into contact with the coldest top of the heatsink, ensuring that the cold end temperature of the heat breaker is as low as possible, reducing the likelihood of heat creep.

About Flange Insulation

 

The split stainless steel flange design reduces heat loss from the heating block and also reduces the potential for damage to the filament capillary path during tightening.

Embedded temperature sensor

 

It can measure the temperature more accurately.

 

▉Specification:

Nominal resistance: 6.5 +-0.5Ω @25℃
Nominal power: 24V 88.6W
Temperature vs Power

▉Dimensions:

 


▉Test Report 01:

 

For detailed documentation, please see the following link:

 

https://drive.google.com/drive/folders/1JpKY0K64ezeTtLR7X6bPHKADfP-oV6TX

 

Rapido Ace & Rapido Original Flowrate Comparison Test

 

Introduction to the experiment:

The model and slicing parameters close to the practicalization were used for this print comparison test. In order to facilitate the observation of the experiment The slicing software increases the speed from low to high at fixed height intervals, performs the printing and then records the maximum flow rate that can be achieved by both hot-end under exactly the same conditions by observing until the printing results are unacceptable.

Test conditions:

Slicing software: PrusaSlicer 2.6.0

Model: Flow Rate Test Geometry from E3D online (Figure 1)


Nozzle V6 style brass 0.6mm

Slicer settings:

layer height 0.3mm

perimeter 1

extrusion width 0.75mm

PETG@260°C

Speed For every 2mm increase in height, the speed increases by 5%.

Flow Rate Calculation Observe and record the maximum flow rate achieved before the print becomes unacceptable.

 

Test Results:

▉Test Report 02:

 

Rapido ACE & Rapido original heat breaker working temperature Comparison

 

Experimental overview:

In the same fixed and heat dissipation conditions, the temperature difference between the two hot-end in the same position in the cold end of the heat breaker is compared and tested.

 

Temperature measurement method:

Measure the temperature inside the nozzle of the heater block with a thermocouple and compare it with the temperature set by the printer at that time, and record the actual temperature of the printer when the thermocouple measurement reaches 250 degrees Celsius to be used in the comparison experiment. For example, if the temperature inside the nozzle is 250 degrees Celsius when it is set and stabilized at 241 degrees Celsius in the printer, the hot-end will be set at 241 degrees Celsius in the next steps, and then the temperature will be measured again to confirm the stabilization, and then a comparative experiment will be conducted on this premise.

Conclusion The measured temperature at the critical cold end of the heat breaker of the TL Rapido Ace is significantly lower than that of the TL Rapido original. This means that the TL Rapido Ace has a better ability to block heat transfer and has a better thermal design, which can have the potential benefit of preventing thermal creep from occurring and reducing the chance of filament paths becoming clogged, thus improving print success rate.

Shipping Notes
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Exchange/Return Notes
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SKU: 42890230035

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Amazon Customer
Massapequa, US
★★★★★ 5
Very Good For The Price
Size: 6.2", Size: 6.2"
This came in today and it was very easy to put on the switch. It does have bubbles but they will disappear after a little while. I just got this switch used the other day and it did not have a screen protector. The screen had a few minor scratches, but the screen protector makes those scratches seem like they never even existed. The reactivity on the screen is very good. It is practically the same as it would be without the screen protector.
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Reviewed in the United States on April 28, 2026
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Karla
Bozeman, US
★★★★★ 5
Super easy install!
Size: 7.9"
Super easy to install, you really can’t mess it up since the guide is so helpful! Plus you get extra shields just in case! I’ve had mines for months and it hasn’t cracked so the durability is great! Scratch free and smudge free!
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Reviewed in the United States on April 18, 2026
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Joshua
Los Angeles, US
★★★★★ 5
The ultimate water bottle
Color: Iced Breeze, Size: 24 Ounces
I can’t believe I’m so excited about a water bottle. The design is amazing - I love that there’s no straw poking up but there’s still a straw sip function. I like that the carrying hook doubles as a lid locking mechanism. This bottle feels very sturdy but it’s sleek and easy to grab - I have small hands and it isn’t a problem for me to drink from with one hand. It’s also really nice that this bottle fits in standard couple holders both at the gym in the machines and in my car. The color selection is so fun and I am pleased that my bottle looks exactly as pictured. My water has stayed cold and my ice cubes frozen for over 12 hours now. Cannot recommend enough!
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Reviewed in the United States on May 29, 2026
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Rob W
Houston, US
★★★★★ 5
Keeps drinks cold all day
Color: Very, Very Dark, Size: 24 Ounces
We got this Owala bottle for our son to use as his everyday school water bottle, and it has been excellent. The 24oz size holds plenty of water for the school day without being overly bulky or heavy to carry around. The insulation works extremely well. Drinks stay cold all day long, even when the bottle sits in a backpack for hours. That’s probably the feature we’ve been most impressed with so far. It’s also been great for car trips since it keeps water cold for extended periods without needing constant refills. The design is really well thought out too. The built-in straw makes it easy to drink from quickly during class or while traveling, and the lid feels secure and leak-resistant when closed. It also has a clean, modern look that feels a little more premium than many standard water bottles. Build quality feels solid overall, and it seems designed to hold up well to everyday use from school, sports, and travel. Overall, this has been a fantastic everyday water bottle and definitely lives up to the hype. Keeps drinks cold, holds a good amount of water, and works equally well for school or road trips.
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Reviewed in the United States on May 28, 2026
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Morgan A from VA
Omaha, US
★★★★★ 5
Cup holder friendly AND functional!
Color: Denim, Size: 24 Ounces, Color: Denim, Size: 24 Ounces
I have a dupe of this cup in a 32oz version and I’m in love with it except for one thing, it doesn’t fit in the cup holders of my vehicles very well. For Father’s Day, my husband needed an insulated cup for when he works outside, his current one doesn’t fit in a cup holder. This was a perfect option for him since he likes the one I have. First things first: this thing keeps liquids COLD for a VERY long time. Haven’t put anything hot into it and don’t plan to so I cannot attest to that. It’s lightweight, durable, and the versatility with the straw is really what makes this cup stand out. You can use a straw OR take a sip without changing adaptors or adding a straw. The straw is basically built into the spout. It’s leakproof which I greatly appreciate. With this being on sale I jumped on it. These are such nice cups, and I can confirm they fit the cup holders of my vehicles from my 22 RAV4 to my 05 Corolla. This is a definite buy and I really hope my husband gets me one since my dupe doesn’t fit in my cup holders. As for the 24oz of this cup, it fits. The colors are fun. It’s unique, and extremely functional.
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Reviewed in the United States on May 25, 2026

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