Air Treatment Parts

Replacement parts for compressed air treatment and distribution equipment — air dryer components, filter housings, separator bowls, drain valves, solenoids, pressure gauges, refrigerant service parts, and electrical components for FS Curtis treatment systems. Genuine parts maintain air quality certification and equipment warranty coverage for dryer and filtration installations. Alamo Equipment is an authorized dealer with technical support and parts availability nationwide.

Filter products

The highest price is $6,375.00
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AirTreatment Parts FAQs

Genuine replacement parts keep FS Curtis treatment equipment running at rated performance, maintaining air quality and system warranty coverage between full equipment replacements.

Replacement parts available include air dryer filter housings, filter bowl assemblies, solenoid drain valves, electronic drain boards, refrigerant system components, pressure gauges, desiccant vessels, inlet and outlet valve assemblies, and electrical components for FS Curtis dryers, filters, and separators. Alamo Equipment stocks 75 replacement parts across the treatment equipment range.

Solenoid drain valves should be inspected annually and replaced if they fail to open fully, fail to close causing constant air loss, or show corrosion from contaminated condensate. Failed solenoid drains are one of the most common causes of moisture passing through a treatment system — a valve stuck closed allows water to accumulate and push through to tools downstream.

Signs of refrigerant circuit issues include rising outlet dew point, the dryer running continuously without reaching setpoint temperature, frost on the evaporator coil, or abnormal operating pressures. Refrigerant service requires EPA-certified technicians and approved recovery equipment. Contact Alamo Equipment for refrigerant service referrals on FS Curtis dryers.

Coalescing filter elements typically last 6 to 12 months in standard shop environments. Particulate filter elements last 12 months or more under normal conditions. Elements in high-contaminant environments or downstream of poorly maintained compressors may require more frequent changes. Differential pressure gauges on filter housings indicate when elements need replacement — change when the gauge enters the red zone.

No. Compressed air filter elements are designed for single-use service and should never be cleaned and reused. Attempting to clean elements damages the filter media, reduces efficiency ratings, and can introduce contaminants. Reused elements provide no guarantee of rated performance and void any downstream air quality certification. Replace on the schedule or when differential pressure indicates saturation.

High differential pressure indicates a saturated or clogged filter element that needs replacement. It can also indicate an undersized filter for the actual flow rate, or a blocked drain allowing accumulated liquid to restrict flow. Replace the element first — if differential pressure remains high after element replacement, the filter may be undersized for current system flow conditions.