Atlas Copco Tropical Thermostat Kit 75C - 2901 1618 00
Quick Specs
– Part Number: 2901 1618 00
– Description: Thermostat Kit 75C
– Application: Oil-injected screw
– Product Status: Original
– Availability: In Stock
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The Atlas Copco Tropical Thermostat Kit 75C (part no. 2901-1618-00) is a genuine thermostatic valve kit, opening at 75°C — a higher threshold than the standard 40°C and 60°C variants we also supply, intended for compressors operating in hot ambient (tropical) climates where a higher opening temperature helps avoid unnecessary bypass cycling. The valve (part no. 1622-7064-03) is also cross-referenced as a Quincy-branded part, worth checking if you’re servicing a Quincy compressor built on a shared platform.
What's Included
This kit 2901161800 includes:
– Thermostat Valve (part no. 1622706403) — 1pc
– O-ring — 2pc
Technical Details
| Part Number | 2901161800 |
| Description | Thermostat Kit 75C |
| Brand | Atlas Copco |
| Product Status | Original |
| Thermostat Valve | 1622706403 |
| Application | Oil-injected screw |
| Weight | 0.15kg |
| Dimension | 29*14*3cm |
| Packaging | Box |
| Availability | In Stock |
| Country of Origin | Belgium |
Related Thermostat Service kits
– 2901 1616 00 (40℃)
– 2901 1617 00 (60℃)
– 2901 1618 00 (75℃)
Compatibility and part numbers are for reference only.
Two Very Different Ways This Can Fail
A thermostatic valve stuck in the bypass position sends oil around the cooler continuously,allowing oil temperature to climb — this often shows up as a high-temperature shutdown that seems to come from nowhere.A valve stuck in the full-cooling position does the opposite:
oil is over-cooled,especially in colder ambient conditions,which increases the risk of moisture condensation inside the system rather than a temperature fault.Neither failure mode is obvious from the outside — the valve looks the same in either position.
Why Running Too Cool Is Also a Problem
It ‘s intuitive to think cooler oil is safer,but running oil temperature too low — particularly in cold ambient conditions — allows moisture in the compressed air to condense inside the oil system rather than evaporate,leading to water contamination in the lubricant over time.A properly functioning thermostatic valve keeps oil within a target range specifically to avoid this,not just to prevent overheating.
Common Questions
How do I know if the thermostatic valve has failed?
An unexplained high-temperature shutdown,or (less obviously) persistent moisture/condensation in the oil,are the two opposite signs -each points to the valve stuck in a different position.
Can I bypass this valve if it fails,to keep running temporarily?
This isn ‘t recommended — running without proper thermal regulation risks either overheating or moisture contamination,both of which cause more damage over time than a planned shutdown for repair.
Are these genuine Atlas Copco parts?
Yes.Parts are sourced through Atlas Copco distributor channels.
What is the typical lead time?
Common consumables (filters, oil) typically ship within about 1 week. Lead time for other spare parts depends on stock availability — please contact us for a confirmed schedule.
Do you inspect parts before shipment?
Yes. We provide full photos and video of the actual item before shipment, and confirm everything is correct with you prior to dispatch.
What shipping options are available?
If you have your own freight forwarder, we can ship to them directly. If not, we can provide shipping options based on your preference.