HTML Architecture Sitemap & Index Highway
This zero-JS HTML sitemap provides direct, high-speed crawler navigation across all 8 certified engineering tools, diagnostic triage decoders, and technical reference standards on PlumbingCalc Online. For search engine robots, the raw machine-readable index is located at sitemap.xml.
Master Hub & Triage Center
1 RouteMaster Plumbing Diagnostic Triage & Sizing Utility Engine
Central interactive diagnostic triage hub routing users to verified sizing tools and emergency plumbing decoders.
Engineered Calculation Pillars
4 RoutesTankless vs Tank Water Heater Cost Calculator & Sizing Engine
Calculate continuous GPM demand, required temperature rise ΔT, and 10-year fuel cost comparison across 4 energy models.
Drain Pipe Pitch Calculator & Clog Remediation Chemical Safety Engine
Compute exact vertical drop in inches and slope percentage under IPC Table 704.1. Audit chemical drain cleaner safety against PVC traps.
Shower Valve Stem Identification Guide & Faucet Cartridge Diagnostic Engine
Identify unknown shower stems behind bathroom tile by broach spline tooth count, length, and handle rotation format.
Toilet Repair Diagnostic Guide & Fill Valve Sizing Engine
Decode phantom flush sounds, running water, and closet flange base leaks. Includes universal fill valve sizing and dye test protocol.
Engineering Standards & Compliance
3 RoutesPlumbing Calculation Methodology & Master Plumber Standards
Hazen-Williams friction loss derivation, thermal power transfer equations, and Master Plumber Advisory Board standards.
Privacy Policy & Zero-Telemetry Data Safeguards
Statutory disclosure of client-side browser execution, zero server logging, and GDPR/CCPA consumer safeguards.
Dynamic HTML Sitemap Index
This complete crawl directory providing immediate semantic discovery for search engine spiders and AI agents.