Cooling Tower Fill Replacement for Marley

Here’s a practical, Marley-specific guide to cooling tower fill replacement, focused on what buyers, maintenance teams, and spare-parts suppliers usually need to know.

Cooling Tower Fill Replacement for **Marley® Cooling Towers**

1. Common Marley Cooling Tower Models & Fill Types

Marley uses different fill designs depending on tower series and application.

Marley Series	Typical Fill Type	Material
NC / NC8400 / NC Everest	Film fill (MX75, MX80, MX85)	PVC / PP
Marley Class 600 / 800	Splash fill	PP
Marley FXT / FCT	Film fill	PVC
Marley AV / CA	Splash fill	PP
Marley MH / Marley steel towers	Film or Splash (site-specific)	PVC / PP

MX film fill is the most common replacement request.

2. Popular Marley Replacement Fill Types (Equivalent Options)

When replacing original Marley fill, customers usually choose OEM or equivalent aftermarket fill.

Marley MX Film Fill Equivalents

* MX75 → 19 mm flute spacing

* MX80 → 12 mm flute spacing

* MX85 → high-efficiency film fill

* Cross-fluted PVC sheets, glued or welded blocks

Splash Fill Replacements

* Bar splash fill

* Grid splash fill

* Trickle fill (for dirty water or high-temperature applications)

3. When Marley Cooling Tower Fill Needs Replacement

Common indicators:

* Scaling & fouling

* Brittle or collapsed PVC sheets

* Reduced cooling performance

* High approach temperature

* Increased fan power consumption

* Biological growth (algae, slime)

4. Key Specifications to Confirm Before Replacement

Before ordering Marley fill replacement, always confirm:

1. Tower model & serial number

2. Fill type (film or splash)

3. Flute spacing (12 / 19 / custom)

4. Fill block size (length × width × height)

5. Material:

  * PVC (≤55–60°C)

  * PP (≤80–90°C)

6. Water quality (clean / dirty / high solids)

5. Installation Tips for Marley Fill Replacement

* Shut down and isolate tower

* Remove drift eliminators and spray system

* Clean basin and structure thoroughly

* Replace fill in blocks, not loose sheets

* Maintain airflow and water distribution clearance

* Reinstall eliminators and check nozzle alignment

⏱ Typical replacement time: 1–3 days per cell

6. OEM vs Aftermarket Marley Fill Replacement

Item	OEM Marley Fill	Aftermarket Equivalent
Cost	High	30–50% lower
Availability	Lead time	Fast delivery
Performance	Guaranteed	Equivalent if designed correctly
Custom sizing	Limited	Flexible

✅ Many plants successfully use China-manufactured Marley-equivalent fill for retrofits.