Model JN-6320
Direct Deployment Series
High-Spec Replacement Grids for Costa Rica Commercial Retrofits
Engineered to drop straight into luxury resort shower basins, hotel suites, and commercial washrooms across Guanacaste, San José, and Puntarenas with zero architectural modification.
Model JN-6321
China 4-1/4" OD Snap-in Strainer Grid JN-6321 • Costa Rica Spec
Model JN-6322
China Drain Trim Set Grid JN-6322 • Costa Rica Commercial Pack
Model JN-6323
China 4-1/4" OD Snap-in Strainer Grid JN-6323 • Costa Rica Supply
Market Diagnostics • Central America
The Demands of Costa Rica's Commercial and Hospitality Drainage Infrastructure
The Republic of Costa Rica represents Central America's premier eco-hospitality market, supported by aggressive developments across the Papagayo Peninsula, Las Catalinas, Santa Teresa, and Manuel Antonio. However, the intersection of equatorial humid tropics, volcanic geological formations, and coastal salinity creates an exceptionally severe operating environment for plumbing hardware.
Standard zinc alloy (pot metal) and low-grade stainless steels routinely experience premature catastrophic failure within 12 to 18 months of deployment in Costa Rica. Marine chloride deposition along the Pacific and Caribbean coastlines induces pitting and crevice corrosion, while volcanic aquifers in the Central Highlands and Arenal basin introduce dissolved silica, sulfuric trace compounds, and heavy mineral hardness into potable water networks.
For resort engineering departments, mechanical contractors, and regional distributors such as EPA, Ferretería El Lagar, and specialized sanitary wholesalers, replacement shower drain parts must deliver uncompromising metallurgical integrity. Our production lines supply DZR (Dezincification Resistant) solid brass and AISI 316 austenitic stainless steel replacement grids calibrated specifically to solve tropical degradation.
C5-M
Marine Salinity Rating
High chloride exposure across coastal resort microclimates in Guanacaste.
100%
DZR Brass Integrity
CuZn36Pb2As / C46500 alloys preventing dezincification in acidic volcanic runoff.
35 L/m
Tropical Hydro-Flow
Engineered grid aperture ratios clearing heavy tropical deluge shower loads.
ISO 9001
UPC & cUPC Certified
Compliance recognized by the CFIA (Colegio Federado de Ingenieros y Arquitectos).
Metallurgical White Paper
Engineering Solutions for Extreme Tropical Environments
A rigorous metallurgical comparison explaining why precision brass and marine-grade stainless steel components outperform conventional plumbing hardware under Central American climatic conditions.
DZR Solid Brass Formulations
In municipal and private well systems across the Alajuela and Cartago provinces, dissolved volcanic minerals create slightly acidic groundwater conditions that leech zinc out of standard brass fittings, turning them brittle and porous.
- Engineered with arsenic-inhibited microstructure (<0.15% As)
- Eliminates beta-phase dezincification under sustained thermal load
- Maintains 100% structural tensile strength exceeding 420 MPa
- Conforms to NSF/ANSI/CAN 61 and California AB1953 lead-free mandates
Austenitic Stainless (AISI 316)
For beachfront luxury villas and ocean-facing eco-lodges along the Pacific Rim, airborne salt aerosol causes rapid pitting of standard grade 201 and 304 steels. JANA supplies replacement strainer grids in certified AISI 316.
- Enriched with 2.0% - 3.0% Molybdenum for chloride resistance
- Pitting Resistance Equivalent Number (PREN) > 23.5
- Passivated surface finish eliminating micro-cracking during stamping
- Resistant to chlorinated cleaning agents routinely deployed in hospitality
Hydraulic Aperture Geometry
High-end hospitality designs in Costa Rica emphasize curbless, barrier-free showers equipped with rainfall fixtures requiring discharge capacities exceeding 0.6 liters per second without backwater pooling.
- Laser-cut slot profiles maximizing hydraulic discharge coefficient (Cd 0.62)
- Capillary tension breaks to avert soap residue accumulation
- Ergonomic snap-in prong geometry retaining grip through 500+ maintenance cycles
- Smooth electropolished perimeter to ensure comfortable barefoot tactile safety
01
Raw Bar Sourcing
Spectrometer-verified DZR brass billets and cold-rolled AISI 304/316 coils with traceable heat lot numbers.
02
Progressive Stamping
Multi-stage progressive dies maintaining dimensional tolerances within ±0.05 mm across diameter and tab depth.
03
Robotic Polishing & PVD
CNC six-axis surface finishing followed by physical vapor deposition for Matte Black, Brushed Nickel, and Satin Brass.
04
Salt Spray QC
ASTM B117 neutral salt spray testing exceeding 240 hours without red rust or copper bleed before international export.
Supply Chain Resilience
Dual-Origin Manufacturing Infrastructure: China & Thailand
Mitigate geopolitical friction, diversify tariff exposures, and secure uninterrupted supply continuity for Central American distribution networks.
Yuhuan Headquarters • Zhejiang, China
Operating continuously since 1998, our Yuhuan manufacturing campus serves as the engineering incubator, mold development hub, and heavy brass forging center for JANA Plumbing.
- Over 14,000 m² of specialized foundry, stamping, and machining workshops
- In-house tooling facility executing custom snap-in flange diameters and OEM logo stamping
- Direct access to Ningbo and Shanghai maritime ports for efficient FCL and LCL container loads
- Complete vertically integrated production: melting, forging, polishing, electroplating, packaging
Gateway Enterprise • Kabinburi, Thailand
Commissioned in December 2023, our automated facility in Kabinburi Industrial Zone, Prachinburi Province provides enterprise buyers with a high-efficiency secondary origin.
- 14,400 m² state-of-the-art facility featuring automated stamping lines and robotic workcells
- Tariff mitigation and optimized customs pathways for imports into Central America via CAFTA-DR corridors
- Strict mirror-quality protocol: identical tooling, alloy specs, and ISO 9001 quality audits
- Direct multimodal ocean transit through Laem Chabang Port to Puerto Caldera and Puerto Moín
Local Compliance & Codes
Costa Rican Regulatory Alignment: CFIA, INTECO, and ASME/CSA Standards
Architectural and commercial construction in Costa Rica is governed by the Código de Instalaciones Hidráulicas y Sanitarias en Edificaciones, administered by the Colegio Federado de Ingenieros y de Arquitectos (CFIA). This framework adopts rigorous performance benchmarks established by the International Association of Plumbing and Mechanical Officials (IAPMO) and ASME.
Our replacement shower drain parts, strainer grids, and trim packages hold active listings for UPC® and cUPC®, fully satisfying the requirements of ASME A112.18.2 / CSA B125.2. Furthermore, our lead-free formulations conform to California AB1953 and NSF/ANSI 372 standards, giving specifiers documented assurance during municipal permit sign-offs and environmental audits.
For international resort operators seeking LEED® Costa Rica or local RESET (Requisitos para Edificaciones Sostenibles en el Trópico) certifications, our components provide verified durability metrics that prevent lifecycle replacements and minimize scrap footprint.
ASME
A112.18.2 / CSA B125.2
Official mechanical compliance for plumbing fixture fittings and waste outlets.
RESET
Tropical Green Certified
Sustainable building lifecycle criteria recognized across Central America.
ASTM B117
240-Hr Salt Spray Tested
Documented corrosion resistance surpassing aggressive coastal atmospheric limits.
CFIA
Accepted Engineering Submittals
Full dimensional CAD cut sheets provided for engineer verification.
Comprehensive SKU Catalog
Standard & Custom Replacement Shower Drain Grids for Costa Rica Distribution
Available in solid brass, 304 and 316 stainless steel with polished chrome, brushed nickel, oil rubbed bronze, and matte black finishes ready for container shipment to Central America.
Model JN-6324
China 4-1/2" OD Snap-in Strainer Grid JN-6324 • Costa Rica Spec
Model JN-6325
Wholesale 4" OD Strainer Grid JN-6325 • Costa Rica Distribution
Model JN-6326
Wholesale 4-1/4" OD Strainer Grid JN-6326 • Costa Rica Series
Model JN-6327
China Snap-in Strainer Grid JN-6327 • Costa Rica Hospitality
Model JN-6328
China 4-1/4" OD Snap-in Strainer Grid JN-6328 • Costa Rica Build
Model JN-6329
China 4-5/8" OD Snap-in Strainer Grid JN-6329 • Costa Rica Spec
Model JN-6330
China 3-3/8" OD Snap-in Strainer Grid JN-6330 • Costa Rica Project
Model JN-1031
China Twist Locking Sink Strainer JN-1031 • Costa Rica Commercial
Procurement Technical Guidance
Frequently Asked Technical & Sourcing Questions
Direct answers for engineers, hardware importers, and procurement directors specifying replacement shower drain parts for projects throughout Costa Rica and Central America.
How do JANA replacement shower drain grids resist the acidic volcanic water common in Costa Rica?
In provinces such as Alajuela, Heredia, and Cartago, aquifer systems frequently feature low pH levels and dissolved mineral sulfates originating from volcanic activity. We manufacture our heavy-duty replacement brass grids from DZR (Dezincification Resistant) alloy formulations (such as C46500 and CuZn36Pb2As). By adding precise trace percentages of arsenic (<0.15%), the metallurgical transformation that leeches zinc from the brass matrix is chemically arrested. This prevents the grid and locking tabs from turning brittle, cracked, or corroded under prolonged thermal and chemical water exposure.
What are the differences between sourcing from your China vs. Thailand manufacturing facilities for Costa Rican ports?
Our Yuhuan, China headquarters has specialized in brass foundry, deep stamping, and full-spectrum precision machining since 1998, offering high-volume capability and custom tooling for proprietary replacement grids. Our Thailand plant in Kabinburi Industrial Zone (operational Dec 2023) spans 14,400 m² with high-automation assembly cells. Sourcing from Thailand provides supply-chain diversification, potential duty advantages depending on import trade pathways, and stable lead times to Costa Rica via Pacific routes landing at Puerto Caldera.
Do these replacement drain parts comply with the Costa Rican CFIA and municipal building codes?
Yes. The Colegio Federado de Ingenieros y de Arquitectos (CFIA) and national sanitary regulations accept plumbing fixtures conforming to recognized international standards. JANA Plumbing holds formal cUPC® and UPC® listings certified through IAPMO R&T, adhering strictly to ASME A112.18.2 / CSA B125.2, alongside ISO 9001 quality management certification. We provide full submittal packages, CAD drawings, and certificate copies for fast mechanical engineer sign-off on commercial submittals.
Can you manufacture custom outer diameters (OD) or specific snap prong depths to fit non-standard European or American drains?
Yes. Our in-house tool and die department can produce custom progressive stamping dies and progressive forming molds based on physical samples or engineering drawings. Whether matching older Oatey, Watts, Sioux Chief, or specialized European linear drain profiles, our tolerances are held within ±0.05 mm, ensuring positive snap-in tension without loose play or foot dislodgement in high-occupancy resort showers.
Which surface finishes withstand Costa Rica’s coastal humid environment best?
For oceanfront resort installations in Guanacaste or Puntarenas, we strongly recommend Physical Vapor Deposition (PVD) finishes (including PVD Brushed Nickel, PVD Matte Black, and PVD Satin Gold) over standard lacquer electroplating. PVD deposits a zirconium or titanium nitride ceramic layer directly onto the passivated substrate, achieving surface hardness exceeding 2000 Vickers and passing 240+ hours of ASTM B117 neutral salt spray testing without pitting or surface flaking.
What packaging and private labeling options are available for regional hardware retail chains (e.g., Ferreterías)?
We provide full turnkey OEM/ODM retail packaging. This includes bilingual Spanish/English blister clamshell cards with tamper-proof heat seals, barcode/SKU integration, custom inner cartons, and master shipping cartons reinforced for humid ocean transit. For contractor trade packs, we provide bulk-packed polybags with individual protective peel-off film to avoid scratches during transport to job sites.
What is the standard lead time and container shipping schedule to Puerto Caldera and Puerto Moín?
Standard manufacturing lead times range from 30 to 45 days post-deposit, depending on SKU complexity and custom finishing requirements. Maritime container shipping from Ningbo/Shanghai (China) or Laem Chabang (Thailand) to Puerto Caldera (Pacific coast) typically averages 28 to 36 days transit time. We accommodate FOB, CIF, or DDP terms with direct palletized loading designed to streamline customs clearance at Costa Rican ports of entry.
How do your strainers ensure barefoot safety in luxury resort curbless showers?
All JANA shower drain grids undergo double-sided rotary deburring, vibratory tumbling, and perimeter coin-pressing to remove sharp punch burrs. Slotted and radial apertures are engineered with smoothed internal radiuses, providing a velvety tactile surface that exceeds slip resistance and barefoot comfort criteria under international hospitality standards.
Equip Your Costa Rica Projects with Certified Drainage Hardware
Request technical submittal sheets, factory pricing, or sample kits directly from our engineering team.