TL;DR: Installing the Pentair 98700000 Above Ground Dark Buster Light takes 1–2 hours and requires basic electrical skills. This above-ground pool light mounts on the pool wall and provides safe, low-voltage illumination for evening swimming. Proper installation ensures safe operation, prevents water leakage, and extends light lifespan. Professional installation recommended for electrical connections.
SEO Summary: This 2026 guide provides complete step-by-step instructions for installing and using Pentair 98700000 Above Ground Dark Buster Light including mounting, wiring, and operation procedures.
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Table of Contents
Product Overview and Features
The Pentair 98700000 Above Ground Dark Buster Light is a wall-mounted pool light designed specifically for above-ground pools, providing safe low-voltage illumination.
Product Description:
- Part Number: Pentair 98700000
- Type: Above-ground pool wall light
- Voltage: 12V AC (low voltage, safe)
- Mounting: Wall-mounted through pool liner
- Bulb Type: Standard pool light bulb (replaceable)
- Cord Length: Varies by model (typically 25–50 feet)
Key Features:
- Low-voltage operation (12V AC for safety)
- Wall-mounted design (no niche required)
- Waterproof construction
- Easy bulb replacement
- Compatible with above-ground pools
- Durable construction for outdoor use
Benefits of Pool Lighting:
- Enables safe evening swimming
- Enhances pool aesthetics
- Improves pool safety and visibility
- Extends pool usage hours
- Creates ambiance for entertaining
- Increases property value
System Components:
- Light fixture with mounting flange
- Bulb (may be included or separate)
- Mounting gasket and hardware
- Power cord
- Transformer (12V, typically separate purchase)
- Installation instructions
Planning and Requirements
Proper planning ensures successful installation and safe operation.
Location Selection:
- Choose location on pool wall (typically opposite ladder)
- Minimum 18 inches below water line
- Away from skimmer and return fittings
- Accessible from outside pool for wiring
- Consider viewing angles from deck/patio
- Avoid areas with heavy traffic or equipment
Electrical Requirements:
- 12V AC transformer required (typically 100–300 watts)
- Transformer must be UL-listed for pool use
- GFCI-protected 120V circuit to transformer
- Proper bonding per NEC Article 680
- Adequate wire gauge for cord length
- Weatherproof transformer location
Pool Compatibility:
- Above-ground pools (all types)
- Vinyl liner pools
- Steel, aluminum, or resin pool walls
- Minimum wall thickness requirements
- Adequate water depth at installation location
Code Requirements:
- NEC Article 680 compliance (pool electrical)
- GFCI protection mandatory
- Proper bonding of all metal components
- Minimum clearances from pool edge
- Local electrical code compliance
Tools and Materials Needed
Proper tools ensure safe, efficient installation.
Required Tools:
- Drill with hole saw (size per instructions)
- Screwdrivers (Phillips and flathead)
- Wire strippers and cutters
- Adjustable wrench
- Measuring tape
- Level
- Marker or pencil
- Utility knife
- Safety glasses and gloves
Required Materials:
- Pentair 98700000 Dark Buster Light
- 12V transformer (if not included)
- Replacement bulb (if not included)
- Silicone sealant (pool-safe)
- Electrical tape
- Wire nuts or connectors
- Mounting hardware (if not included)
Optional But Recommended:
- Timer for automatic operation
- Conduit for wire protection
- Additional lighting for larger pools
- Upgrade to AquaLuminator above-ground pool lights
- Consider convertible AquaLuminator lights with water return
Preparation and Safety
Proper preparation prevents mistakes and ensures safe installation.
Safety First:
- Never install with pool full (drain to below installation point)
- Turn off all power to pool equipment
- Verify power off with voltage tester
- Keep electrical components away from water
- Follow all manufacturer safety warnings
Pool Preparation:
- Drain pool to 6–12 inches below installation point
- Clean installation area on pool wall
- Mark installation location carefully
- Verify no obstructions behind wall
- Ensure liner smooth and wrinkle-free at location
Workspace Preparation:
- Clear area around pool
- Ensure adequate lighting for work
- Have all tools and materials ready
- Protect pool liner from tools and debris
- Ensure stable footing and access
Electrical Preparation:
- Plan wire routing from light to transformer
- Identify transformer mounting location
- Verify power source for transformer
- Ensure GFCI protection available
- Plan bonding wire routing
Installation Procedure
Systematic installation ensures proper operation and prevents leaks.
Marking Installation Location:
- Measure and mark light center point on pool wall
- Use level to ensure mark is level
- Verify location meets all clearance requirements
- Double-check measurements before cutting
- Mark hole size per manufacturer specifications
Cutting Pool Wall:
- Drill pilot hole at center mark
- Use hole saw to cut opening (size per instructions)
- Cut slowly and carefully through wall
- Support wall to prevent deformation
- Deburr edges of hole
- Clean away all debris and filings
Liner Preparation:
- Locate liner at hole location
- Cut liner opening slightly smaller than wall hole
- Make clean, straight cuts
- Avoid cutting liner too large (causes leaks)
- Smooth liner edges
Gasket and Fixture Installation:
- Apply silicone sealant to back of mounting flange
- Position gasket on inside of pool wall
- Insert light fixture through hole from outside
- Align fixture with gasket inside pool
- Install mounting screws from inside pool
- Tighten screws evenly in star pattern
- Don't over-tighten (can crack fixture or wall)
- Wipe away excess sealant
Bulb Installation:
- Install bulb in fixture (if not pre-installed)
- Handle bulb by base only (avoid touching glass)
- Ensure bulb properly seated
- Verify correct wattage for fixture
- Secure bulb retaining mechanism
Electrical Wiring
Proper wiring ensures safe, reliable operation.
Transformer Installation:
- Mount transformer in protected location
- Minimum 5 feet from pool edge (per code)
- Protected from weather and moisture
- Accessible for service
- Secure mounting to prevent movement
- Use quality pool light transformers 120V to 12V
Low-Voltage Wiring (Light to Transformer):
- Route light cord to transformer location
- Protect cord from damage (use conduit if needed)
- Avoid sharp bends or kinks
- Keep cord away from pool equipment
- Connect cord to transformer secondary (12V) terminals
- Verify polarity if specified
- Tighten all connections securely
High-Voltage Wiring (Transformer to Power):
- Run power wire from GFCI breaker to transformer
- Use proper wire gauge (14 or 12 gauge typical)
- Install in conduit per code requirements
- Connect to transformer primary (120V) terminals
- Verify correct voltage
- Tighten all terminal connections
Bonding:
- Connect bonding wire to light bonding lug
- Bond to pool bonding grid per NEC Article 680
- Use minimum #8 AWG solid copper wire
- Verify proper grounding of transformer
- Test ground continuity
- Ensure all connections tight and corrosion-free
Testing Before Pool Fill:
- Verify all connections tight
- Check for proper voltage at light (12V AC)
- Test light operation (should illuminate)
- Inspect for any visible issues
- Turn off power before filling pool
Operation and Use
Understanding operation ensures safe, enjoyable pool lighting.
Initial Operation:
- Fill pool to normal operating level
- Wait 24 hours for sealant to cure
- Restore power to transformer
- Turn on light and verify operation
- Check for leaks around fixture
- Verify proper illumination
Daily Operation:
- Turn on light using switch or timer
- Allow light to warm up (1–2 minutes)
- Enjoy safe evening swimming
- Turn off when not in use (extends bulb life)
- Never operate light out of water (overheats)
Bulb Replacement:
- Turn off power at breaker
- Wait 5 minutes for bulb to cool
- Access fixture from inside pool (may need to drain slightly)
- Remove bulb retaining mechanism
- Carefully remove old bulb
- Install new bulb (same wattage and voltage)
- Reinstall retaining mechanism
- Test operation before leaving
Seasonal Use:
- Operate normally during swim season
- Turn off and disconnect for winter
- Remove bulb and store indoors (optional)
- Protect fixture from freezing
- Inspect before each season
Troubleshooting Common Issues
Addressing problems ensures reliable pool lighting.
Light Won't Turn On:
- Cause: No power to transformer
- Solution: Check breaker, verify wiring connections
- Cause: Bulb burned out
- Solution: Replace bulb with correct type
- Cause: Loose connection
- Solution: Check all wiring connections, tighten
- Cause: Faulty transformer
- Solution: Test transformer output, replace if needed
Light Flickers:
- Cause: Loose bulb
- Solution: Tighten bulb securely
- Cause: Loose wiring connection
- Solution: Check and tighten all connections
- Cause: Voltage fluctuation
- Solution: Check transformer output, verify proper voltage
Water Leaking into Pool:
- Cause: Improper gasket seal
- Solution: Drain pool, reseal fixture with fresh sealant
- Cause: Cracked fixture
- Solution: Replace fixture
- Cause: Mounting screws too tight
- Solution: Loosen slightly, reseal
Bulb Burns Out Frequently:
- Cause: Voltage too high
- Solution: Verify transformer output (should be 12V AC)
- Cause: Operating light out of water
- Solution: Never operate without water cooling
- Cause: Wrong bulb type
- Solution: Use only specified bulb type and wattage
Conclusion and Key Takeaways
Installing the Pentair 98700000 Above Ground Dark Buster Light takes 1–2 hours and provides safe, attractive pool illumination for evening swimming. Proper installation with correct wiring and sealing ensures years of reliable operation and enhanced pool enjoyment.
Essential Takeaways:
- Dark Buster Light designed specifically for above-ground pools
- Operates on safe 12V AC (requires transformer)
- Drain pool to 6–12 inches below installation point
- Mark location carefully before cutting
- Cut pool wall opening per manufacturer specifications
- Apply silicone sealant to mounting flange
- Install gasket inside pool, fixture from outside
- Tighten mounting screws evenly (don't over-tighten)
- Mount transformer minimum 5 feet from pool edge
- Connect to GFCI-protected 120V circuit
- Bond light to pool bonding grid per NEC Article 680
- Test operation before filling pool
- Wait 24 hours for sealant to cure before use
- Never operate light out of water (causes overheating)
- Replace bulb with same type and wattage only
- Upgrade to AquaLuminator Quasar lights for enhanced features
- Use LED color-changing pool lights for variety
- Consider LED wall mount lights with remote control
- Professional installation recommended for electrical work
- Shop quality pool lighting from our pool parts collection
Follow these installation steps systematically for professional-quality results. Proper pool light installation provides years of safe, enjoyable evening swimming and enhances your pool's beauty and functionality. The investment in quality lighting extends pool usage hours and creates a welcoming atmosphere for family and guests.
