Thetford Toilet Waterfill Funnel Replacement for Cassette® C400 Toilet - 3232916

Thetford Toilet Waterfill Funnel – Replacement for Cassette® C400 Permanent Toilet

The Toilet Waterfill Funnel is an OEM-correct replacement funnel designed for use with the Thetford Cassette® C400 permanent toilet holding tank. This fresh water fill funnel ensures a clean, controlled flow of water into the holding tank during flushing and maintenance. Its direct replacement design provides a secure, leak-resistant fit, helping preserve sanitation performance and prevent spills.

Ideal for toilets where the original funnel has cracked, warped, or been lost, this replacement restores proper water routing for smooth operation and easy tank filling.

Key Features & Benefits

• OEM-Correct Replacement – Built to Thetford specifications for fit and performance
• Direct-Fit Design – Matches original funnel dimensions for simple replacement
• Controlled Water Flow – Helps guide fresh water into the holding tank without splashing
• Durable Construction – Designed for repeated use and sanitation chemicals
• Easy, Cost-Effective Repair – Avoids replacement of the entire holding tank
• Improves Cleanliness – Reduces mess and waste during water fill

Fits / Compatible With

• Thetford Cassette® C400 Permanent Toilet

Not compatible with Cassette C200, C250, C260, C402, or portable toilet models (e.g., Porta Potti®).

What’s Included

• (1) Toilet Waterfill Funnel

Specifications

• Application: Fresh water fill funnel
• Toilet Series: Cassette® C400
• Material: Durable plastic
• Brand: Thetford

Common Issues This Part Solves

• Broken, missing, or warped waterfill funnel
• Spilled water when adding fresh water
• Water routing that causes mess or drip in toilet area
• Contamination from splash-back during tank filling
• Deteriorated original funnel material

Frequently Asked Questions (FAQ)

Is this an OEM Thetford part?

Yes. This waterfill funnel is manufactured to Thetford OEM specifications to fit the Cassette® C400 permanent toilet.

Will this fit other cassette models?

This funnel is specific to the Cassette® C400 toilet and may not fit C200, C250, C402, or other cassette variants.

Does it help reduce spills when filling?

Yes. The funnel guides water into the tank opening and helps minimize splashing and mess.

Can I install this myself?

Absolutely. Installation is straightforward and requires no tools.

What if my funnel cracked due to age?

Replacing a cracked or deteriorated funnel restores a secure waterfill path and improves overall sanitation performance.