Marquis Spas OEM 20042 Filter

Marquis Spas OEM 20042 Filter

The Marquis Spas OEM 20042 Filter is a genuine replacement filter cartridge for compatible Marquis hot tubs. This 35 sq. ft. spa filter helps capture debris and improve water clarity while supporting proper circulation through your spa’s filtration system.

This filter features a handle-style top and a 2" MPT threaded bottom. It is commonly used in select Marquis Signature Series, Celebrity Series and other compatible Marquis spa models.

🔹 Key Benefits

• Genuine Marquis Spas OEM replacement filter
• Helps keep spa water clean and clear
• Supports proper water flow and filtration
• 35 sq. ft. filter media
• Handle top for easier removal
• 2" MPT threaded bottom connection
• Replaces worn, damaged or hard-to-clean spa filters

🧩 Compatibility & Fitment

This filter is designed for compatible Marquis spas that use OEM filter number 20042.

Common Marquis spa fitment includes:

• Marquis Show
• Marquis Epic
• Marquis Euphoria
• Marquis Reward
• Marquis Resort
• Marquis Wish
• Marquis Mirage
• Marquis Spirit
• Marquis Rendezvous
• Select Marquis Signature Series spas
• Select Marquis Celebrity Series spas
• Select Nashville Elite models

Common part number references include:

• Marquis Spas OEM 20042
• Marquis 37-0215
• Marquis 370-0242
• Marquis 370-0243

Before ordering, compare your current filter’s part number, length, outside diameter, top style and bottom thread style. Marquis has used different filters across different model years and series.

📋 How to Use

1. Turn off spa power before removing the filter.
2. Remove the old filter cartridge from the filter compartment.
3. Check that the replacement filter matches the original filter size and thread style.
4. Thread the new filter into place by hand until secure.
5. Do not overtighten.
6. Restore power and confirm proper water flow.
7. Rinse the filter regularly as part of normal spa maintenance.

⚡ Product Quick Facts

Brand	Marquis Spas
Product Type	Replacement spa filter
OEM Part Number	20042
Filter Area	35 sq. ft.
Top Style	Handle
Bottom Style	2" MPT threaded bottom

⚙️ Specifications

Manufacturer	Marquis Spas
Product Name	Marquis Spas OEM 20042 Filter
OEM Part Number	20042
Outside Diameter	5-3/16"
Length	12-1/2"
Top	Handle
Bottom	2" MPT threaded connection
Square Footage	35 sq. ft.
Cross References	Pleatco PPM35SC-F2M, Unicel 5CH-352, Filbur FC-0196

❓ Frequently Asked Questions

Is this a genuine Marquis filter?

Yes. This listing is for the Marquis Spas OEM 20042 replacement filter.

What size is the Marquis 20042 filter?

The Marquis 20042 filter measures approximately 5-3/16" wide by 12-1/2" long and has 35 sq. ft. of filter media.

What type of connection does this filter use?

This filter has a handle top and a 2" MPT threaded bottom connection.

Which Marquis spas does this filter fit?

This filter commonly fits select Marquis Show, Epic, Euphoria, Reward, Resort, Wish, Mirage, Spirit and Rendezvous models, along with select Signature Series, Celebrity Series and Nashville Elite models. Always verify your current filter part number and dimensions before ordering.

How often should I replace my spa filter?

Most spa filters should be replaced when they become worn, discolored, damaged or difficult to clean. Replacement timing depends on spa usage, water care habits and cleaning routine.

🛡️ Why Buy From Southern Leisure?

• Trusted spa parts and accessory support
• Helpful fitment guidance before and after purchase
• Quality replacement filters for hot tub owners
• Trusted by Spa Owners Since 2013

📦 Shipping & Pickup

• Shipping and pickup options are displayed at checkout
• Confirm compatibility before ordering
• Keep a spare filter on hand for easier maintenance
• Rinse filters regularly and allow them to dry fully between cleanings when rotating filters