FS-Curtis FSK-NX18-22YSK Yearly Service Kit
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Lead Time: *In Stock
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Old Part Number: FSK-4NX18-22
The FS-Curtis FSK-NX18-22YSK Yearly Service Kit is the comprehensive OEM maintenance package designed for all NX Series compressors in the 25–30 HP range, including:
NX18 (25 HP)
NX22 (30 HP)
This kit replaces the previous part number FSK-4NX18-22 and provides all critical filtration components required for proper annual maintenance.
Performing yearly service protects your airend, maintains rated airflow, and preserves long-term compressor reliability in production environments.
Each kit contains genuine FS-Curtis components:
| Component | Part Number | Qty |
|---|---|---|
| Oil Filter | 2605539870 | 1 |
| Air Filter Element | 2116040164 | 1 |
| Air / Oil Separator Element | 2116019888 | 1 |
| Oil Analysis Kit | FVO701-POL | 1 |
Everything required to complete a full annual service in one convenient package.
In 25–30 HP rotary screw compressors, filtration and separation components directly impact efficiency and performance.
Replacing these components annually helps:
Maintain rated CFM output
Reduce pressure drop across filters
Minimize oil carryover
Protect the airend from contamination
Improve overall energy efficiency
Detect lubricant degradation early through oil analysis
Prevent costly downtime
A restricted separator alone can significantly increase energy consumption and strain internal components.
This is a genuine FS-Curtis service kit, engineered specifically for NX Series compressors.
Using OEM components ensures:
Proper micron filtration
Correct fit and sealing
Maintained warranty compliance
Maximum system efficiency
For facilities enrolled in the NXGEN Extended Warranty Program, following the prescribed maintenance schedule with genuine parts is essential to maintain coverage.
Designed for all NX Series compressors in the 25–30 HP range, including:
FS-Curtis NX18
FS-Curtis NX22
If you are unsure about compatibility, Compressed Air Advisors Online can confirm your compressor model before ordering.
Compressed Air Advisors Online is America’s choice for compressed air solutions, supplying OEM service kits and parts nationwide.
We help facilities:
Stay compliant with maintenance schedules
Protect high-value compressor assets
Reduce energy waste
Avoid unexpected production interruptions
Your compressed air system is mission-critical infrastructure. Proper maintenance protects your investment.