FLOWMASTER 3" DRAIN COUPLER - FM3DCUP

SKU: FM3DCUP
Regular price $5.35

Available for pickup at

  • MT Pool Distributor Corporate (1) in stock
  • MT Pool Distributor North (1) in stock
In stock

The Stegmeier Flowmaster 3" Deck Drain Coupler (FM3DCUP) delivers the professional-grade drainage solutions pool contractors need for commercial swimming pools, patios, and high-volume water removal applications. This UV stabilized PVC coupler connects seamlessly with Flowmaster 3" drain systems, providing the reliability and durability that commercial projects demand.

Commercial Installation Benefits

Engineered for commercial applications, this drain coupler features a double-wall base design with snap-in top construction that reduces installation time while ensuring long-term performance. The staggered joint system provides superior rigidity, while removable tops facilitate easy cleaning and maintenance - critical for maintaining commercial pool operations and reducing service callbacks.

Why Pool Contractors Choose MT Pools

With our superior customer service and daily recurring customer support, you get more than just drainage components – you get a trusted B2B partner. Our wholesale pricing structure supports your profit margins while our reliable inventory and 24-hour shipping keeps your commercial projects on schedule.

Frequently Asked Questions

What load capacity can the FM3DCUP handle for commercial applications?

Load testing shows the FM3DCUP can handle 95-96 psi for deflection and 544-611 psi for puncture resistance, making it suitable for heavy commercial traffic areas.

How does the UV stabilized PVC construction benefit outdoor installations?

The UV stabilized PVC with inhibitors prevents degradation from sun exposure, ensuring long-term performance in outdoor commercial pool and patio applications without cracking or discoloration.

What stabilization is recommended for concrete installations?

Recommended stabilization involves drilling and pinning the base midway with coated or non-metallic rigid reinforcement material to prevent concrete movement and ensure long-term stability.

Does MT Pools offer technical support for drainage calculations?

Yes, MT Pools provides expert technical guidance including flow rate calculations, hydraulic radius determinations, and drainage system design support for commercial pool contractors.

Order Today

Join thousands of pool contractors who rely on MT Pools for their commercial drainage needs. Our team is ready to support your success with expert technical guidance, competitive wholesale pricing, and fast 24-hour shipping.

• 3" non-directional deck drain system coupler
• UV stabilized PVC construction with gray color finish
• Double-wall base design for superior strength
• Snap-in top with staggered joints for rigidity
• Removable tops for easy cleaning and maintenance
• Load tested: 95-96 psi deflection, 544-611 psi puncture resistance
• UV inhibitors prevent sun damage and degradation
• Suitable for commercial pools, patios, and high-drainage areas
• Compatible with Flowmaster 3" drain and fitting systems
• Ships in 24 hours for fast project completion
• 1 lb shipping weight, compact 5x5x5 inch packaging
• Professional-grade commercial drainage solution