Water Sport Series


Thermalution® Red Grade PLUS is the first power heated bodysuit to endorse the ground breaking heating technology with a rechargeable wireless control system. It is a professional model most suitable for those who dive with a dry suit.

The incarnation of commitment.
When we said our products are rechargeable, we mean it. Not only do you get enough juice to stay heated for 4 hours using our high capacity lithium polymer batteries, now even the wireless controller is fully rechargeable. Disposable batteries are a thing of the past.

Reign supreme.
Roll out the red carpet and sound the trumpets, for the King has arrived. This manifestation of excellence has no rivals; it is simply the best underwater heating product on the market. Assume control and indulge in an unprecedented diving experience. Your diving legacy starts here.

Thermalution funtion Icon

Thermalution Red Grade Plus

Just put down to charge up.
Wireless Charging Dock
Rechargeable Wireless remote controller

Icon_Time Battery duration may vary due to the temperature Sensor activities.
Continuous power output approx max 180-240 mins.

How to use ...

Push the battery connector through the hole of the battery pocket at the bottom. Place the battery inside the battery pocket.


Connect both connectors, wear the Red Grade Plus bodysuit and affix the strap around your forearm and adjust the controller to a comfortable position.


Push the button upward once to adjust between the temperature settings. When the setting is on, the light will flash and the receiver will vibrate.

Red Grade Plus+ - Size Chart - PSD08-CH
Error value: ± 1 cm / 0.4 inch
In order to optimize the heating performance of the Thermalution, we strongly advise our customers to wear smaller fitted sizes of the Thermalution. Please refer to the size chart above to find the recommended size of Thermalution for you.
S 30"-34" 25"-29" 26 1/2"-30 1/2" 5'3"-5'5"
76.2-86.4 cm 63.5-73.7 cm 67.3-77.5 cm 160-165 cm
* Neck base to Crotch : 67 - 70 cm / 26 1/2"-27 1/2"
M 32"-36" 27 1/2"-31 1/2" 28 1/2"-32 1/2" 5'5"-5'7"
81.3-91.4 cm 69.9-80 cm 72.4-82.6 cm 165-170 cm
* Neck base to Crotch : 70 - 73 cm / 27 1/2"-28 3/4"
L 34"-39" 29"-34" 30"-35" 5'7"-5'9"
86.4-99 cm 73.7-86.4 cm 76.2-89 cm 170-175 cm
* Neck base to Crotch : 73 - 76 cm / 28 3/4"-29 8/9"
XL 36"-41" 31 1/2"-36 1/2" 32 1/2"-37 1/2" 5'9"-5'11"
90-103 cm 80-92.7 cm 82.6-95.3 cm 175-180 cm
* Neck base to Crotch : 75 - 78 cm / 29 1/2"-30 3/4"

! Please switch off the remote controller and remove batteries immediately while after diving.
※ In order to avoid signal disconnection under water, please use the wireless remote controller (P/N#SPE005-D) as close as much to the back receiver of the under suit.

! When wireless controller power exhausted completely, that will caused the controller unable to arouse the charging circuit to work, so as charge function could be failed.
In order to avoid this situation, please do charge the remote controller after your diving.

Contact direct sales get quotation, or find your local distributor.
If you have any needs about Thermalution product, please >> contact us.
Thermalution Q & A
For more detailed information please visit our Q&A page.

Attention-Read Manual Read and fully understand operator's manual before using this product. Failure to follow operating instructions and any misuse of Thermalution products will create additional dangers.

Check Thermalution.com for updates and additional information. >> By creating an account you can free to download updated instruction manual for your undersuit! << Contact Thermalution if you have any doubts or difficulty understanding these instructions.

.Other product of Water Sport Series :
Surf Series Green Grade Plus + Blue Grade Yellow Grade Plus +
Blue Grade Plus + Compact Dive Series Red Grade Ultra