R500C Concentrated Heat Transfer Fluid | Sentinel

Concentrated heat transfer fluid for ground source heat pump systems

Sentinel R500C Concentrated Heat Transfer Fluid provides exceptional thermal transfer for ground source heat pump systems. It offers superior stability and protection against corrosion and deposits, and resistance to degradation. It also contains an effective biocide that will help to control the growth of bacteria.

Key features

  • Provides effective corrosion and scale protection for system metals
  • May be diluted with mains water
  • Effective frost protection
  • Resistant to degradation
  • Contains biocide
  • Non-toxic and biodegradable
  • Compatible with common system materials

Available sizes

20L liquid R500C-20L-DRUM

This product is a concentrated version of Sentinel R500 Heat Transfer Fluid. Designed for use in ground source heat pump equipment, Sentinel R500C Concentrated Heat Transfer Fluid provides frost protection and minimises corrosion, scale and deposition. This product helps reduce the costs of ground source heat pump system operation. It provides exceptional thermal transfer, superior protection against corrosion and deposits and resistance to degradation. It also contains a biocide to help to control the growth of bacteria in a sanitised system.

Use in conjunction with the Sentinel FrostCheck Test Kit to confirm proper installation and maintenance of ground source heat pump systems.

Using R500 Heat Transfer Fluid:

Before filling the ground loop, Sentinel R500C Concentrated Heat Transfer Fluid should be pre-diluted with town mains water in a ratio of one part Sentinel R500C Concentrated Heat Transfer Fluid to a maximum of nine parts water. The extent of dilution depends upon the desired frost protection; please refer to the dilution table below.

Frost Protection (°C)
(DIN 51583)
-50 -37 -30 -23 -18 -13 -10 -7 -4
R500C (% volume) 50 45 40 35 30 25 20 15 10
Water (% volume) 50 55 60 65 70 75 80 85 90

Please note: Sentinel R500C Concentrated Heat Transfer Fluid must not be mixed with other heat transfer fluids.

The information provided below enables compliance with the Control of Substances Hazardous to Health Regulations. 

  Sentinel R500C
Stockcodes

R500C-20L-DRUM

About Propylene glycol containing corrosion inhibitors.

Appearance

Clear, blue liquid

Density (20ºC)

1.037 g/cm3

R.I.

1.338 (approx.)

pH value (33% in water)

8.5 (approx.)

Freezing Point

0°C

Health Hazards

Not considered hazardous to health

First Aid

Skin Exposure
Wash immediately with plenty of water. If irritation develops, seek medical attention.

Eye Exposure
Flush immediately with plenty of running water. Keep eyelids apart. Seek medical advice.

Ingestion
Rinse mouth with water. Do NOT induce vomiting. Seek medical advice.

Handling
  • Avoid contact with skin and eyes
  • Keep out of the reach of children and animals
  • Wash out empty container thoroughly with water before disposal
Storage
  • Keep container tightly closed
  • Store in cool, well ventilated area
Spillage Flush spillage with plenty of water and wash to waste
Fire/Explosion Risks Non-flammable