Knowledge Base
Find replacement parts, troubleshoot common spa and pool problems, browse repair guides, locate technical manuals, research manufacturers, and access product reference information.
Find Your Part Fast
Start with one of our interactive part finders when you know what type of component you need.
Circuit Board Finder
Search circuit board numbers, spa systems, models, brands and cross-reference numbers.
Open Circuit Board Finder →Filter Finder
Search by part number, manufacturer, system, model, cross-reference, measurements or end-cap style.
Open Filter Finder →Heater Finder
Search heaters by part number, manufacturer, control system, model, specifications or cross-reference.
Open Heater Finder →Start With What You Need
Customers do not always know a part number. These paths organize the Knowledge Base around the job they are trying to do.
Repair & How-To Guides
Practical resources for common replacement and maintenance jobs.
Replacing a Bath / Spa Pump
Review the basics involved in identifying and replacing a bath or spa pump.
View Pump Replacement Guide →Replacing a Spa Heater
A step-by-step overview of replacing a spa heater and the details to confirm before installation.
View Heater Replacement Guide →Filter Cartridge Cleaning
Learn the basics of cleaning and maintaining pool and spa filter cartridges.
View Filter Cleaning Guide →Part Identification & Technical References
Use these references when the part number is missing, obsolete, difficult to identify, or requires cross-referencing.
Circuit Boards & Controls
Identification and cross-reference resources for spa control systems.
Heaters, Filters & Pumps
Reference tools for common replacement categories.
Balboa Product References
Additional technical reference information from the existing Knowledge Base.
Balboa Manuals
The current four-page Balboa technical manual archive remains available while we decide how to consolidate it.
Water Care & Maintenance
Information for maintaining clear, balanced water and understanding common spa water problems.
Hot Tub Water Chemistry Guide
Learn the fundamentals of maintaining balanced hot tub water.
View Water Chemistry Guide →Water Maintenance Q&A
Answers to common questions about pH, alkalinity, sanitizers, foaming, cloudy water, scaling and odors.
View Water Care Q&A →Filter Cleaning Guide
Keep cartridge filters functioning properly with routine cleaning and inspection.
View Cleaning Guide →Manufacturers, Manuals & Documents
Browse manufacturer resources and existing product documentation.
Browse 245+ Manufacturers & Brands
Find manufacturer-specific product collections and brand information from the complete BSPO manufacturer directory.
Hydro-Quip Product Manuals & Information Sheets
Access the existing Hydro-Quip product manual and technical-information archive.
Pool & Spa Safety
Safety resources, regulatory information and reference documents.
BSPO Safety Resources
External Safety Resources
Still Can't Find What You Need?
Unlike many online parts sellers, we answer our phone. Have your part number, equipment model, measurements, or clear photos available and our team can help point you in the right direction.