Description
Replacement O-Ring for PUR Back Cover / FDA EPDM Material – See Models
Quantity: 1
Replacement O-Ring: For PUR Back Cover
For Models:
- FM3400B, FM3800B, FM3700B, FM2000B
- FM3333B, FM3333BNM, FM4000B, FM4100B
• FDA/NSF approved EPDM material O-rings meet food and drinking water contact standards.
• Direct fit aftermarket replacement.
• Made in the USA.
User must install according to manufacturer specifications.
All brand new parts, satisfaction guaranteed.
Product Features:
- Precision Fit: Designed for PUR Back Cover models FM3400B, FM3800B, FM3700B, FM2000B, FM3333B, FM3333BNM, FM4000B, and FM4100B, ensuring a secure, leak-free seal.
- FDA/NSF Approved EPDM Material: Meets food and drinking water contact standards for safe and reliable operation.
- Direct Aftermarket Replacement: Engineered for easy installation without modification, simplifying maintenance and reducing downtime.
- Made in the USA: Manufactured under strict quality standards for consistent reliability and long-lasting performance.
- Maintenance Friendly: Ideal for routine O-ring replacement to maintain optimal system performance and prevent leaks.
Key Benefits:
- Ensures proper sealing for PUR back cover assemblies and prevents leaks that could compromise performance.
- Supports safe operation in food and drinking water applications.
- Easy to install for both professional technicians and DIY maintenance.
- Helps extend the life of your equipment by maintaining consistent sealing pressure.
- Backed by our satisfaction guarantee — replacement or refund if not fully satisfied.
All O-rings are brand new and meet all factory specifications, providing reliable, long-lasting sealing for PUR Back Cover assemblies.

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