Pool & Spa Knowledge Base
Find replacement parts, troubleshoot common pool and spa problems, access manuals and technical documents, and review important water and hot tub safety information. Start with what you need help with below.
Start With What You Need
Our current Knowledge Base is organized around four practical ways customers use the site.
Find My Part
Start here when you need a replacement part but are not sure exactly what to order. Use our dedicated finders, part-number searches, cross references, and identification resources.
- Pump, circuit board, heater, filter, and temperature sensor finders
- Replacement and discontinued-part identification
- Part-number, model, and cross-reference help
Troubleshooting
Work through common hot tub and spa problems using troubleshooting articles, diagnostic references, error-code information, component guides, and repair resources.
- Error codes, diagnostic messages, and common spa problems
- Heaters, pumps, controls, sensors, switches, and electrical issues
- Repair articles and technical reference material
Manuals & Documentation
Search our redesigned technical-document libraries for Balboa and Hydro-Quip systems, topside panels, jets, component manuals, wiring information, and exploded diagrams.
- Balboa system manuals with System P/N and model searching
- Balboa topside, jet, and miscellaneous technical documents
- Hydro-Quip manuals plus exploded parts diagrams
Water Safety
Review practical pool, spa, and hot tub safety information covering water condition, sanitation, temperature, drain and suction safety, and health considerations.
- Cloudy, green, foamy, slimy, or unusual-looking spa water
- Children, seniors, pregnancy, medication, and public hot tubs
- Drain, suction, sanitation, temperature, and illness risks
Find Your Part Fast
Already know the type of component you need? Go directly to one of our interactive replacement-part finders.
Pump Finder
Find replacement pumps by critical specifications and part information.
Open Finder →
Circuit Board Finder
Search board numbers, systems, models, brands, and cross references.
Open Finder →
Heater Finder
Search heaters by part number, manufacturer, model, and specifications.
Open Finder →
Filter Finder
Search by part number, cross reference, measurements, or end-cap style.
Open Finder →
Temp Sensor Finder
Identify replacement temperature sensors and sensor cables.
Open Finder →Popular Guides & Technical References
Go directly to some of our most useful identification, troubleshooting, installation, maintenance, and technical-reference pages.
Balboa Topside Panel Error Codes
Visual error-code reference with LCD examples, first checks, detailed troubleshooting, and a printable cheat sheet.
Open Error Code Guide → Balboa ReferenceBalboa Product Color Code Guide
Identify Balboa finish and color abbreviations using the visual color-code and swatch reference.
Open Color Code Guide → Filter IdentificationSpa Filter End Caps & Configurations
Compare common cartridge end-cap styles before confirming dimensions and using the Filter Finder.
Open End Cap Guide → Installation & RepairHow to Replace a Spa Heater
Seven-step replacement guide covering diagnosis, removal, installation, refill, startup, and dry-fire prevention.
Open Heater Replacement Guide → Pump ReplacementBath & Spa Pump Replacement Guide
Learn how to compare amperage, voltage, speeds, frame size, wet end, plumbing, orientation, and physical fit.
Open Pump Replacement Guide → MaintenancePool & Spa Filter Cartridge Cleaning Guide
Practical instructions for routine rinsing, deep cleaning, inspection, and knowing when a cartridge should be replaced.
Open Filter Cleaning Guide → Part IdentificationFind Your Balboa Control System Part Number
Learn which numbers on a Balboa spa pack identify the complete control system and which numbers mean something else.
Open System ID Guide → Circuit Board IdentificationHow to Identify Your Spa Circuit Board
Understand board numbers, chipsets, software labels, spa-pack numbers, photos, and other clues used to identify a PCB.
Open Circuit Board Guide → Balboa TechnologyBalboa M7 Heater Technology
Learn how Balboa M7 systems use dual temperature sensors to monitor heater operation and water conditions.
Open M7 Technology Guide → Technical GlossaryCommon Bath, Spa & Pool Pump Terms
Reference common pump terminology used when identifying motors, wet ends, impellers, seals, plumbing, and replacements.
Open Pump Glossary →Manuals, Technical Documents & Diagrams
Jump directly into one of the technical libraries we have rebuilt.
System Manuals & Technical Documents
Search Balboa control systems by System P/N, model, heater configuration, and more.
Open Library → Balboa PanelsTopside Panel Guides & Documentation
ML, VL, TP, SpaTouch, MVP and related topside-panel guides and references.
Open Library → Balboa JetsJet Manuals & Technical Documents
Jet installation, retrofit, conversion, kit, and technical documentation.
Open Library → Balboa ComponentsManuals, Wiring Diagrams & Technical Documents
Lighting, ozone, air controls, blowers, suction, drains, and additional documents.
Open Library → Hydro-QuipManuals & Technical Documents
Control-system manuals, schematics, troubleshooting, heaters, and blower documents.
Open Library → Parts IdentificationExploded Diagrams & Parts Breakdowns
Visual assemblies for control systems, pumps, jets, suction assemblies, and related equipment.
Open Library →Still Not Sure Where To Start?
Use Find My Part when you need help identifying a replacement, or contact us with the manufacturer, model number, part number, and a clear photo of the equipment label.