{"id":"9b65a219-d9eb-4f30-8724-b146c0be5200","task":"Check DOE pump efficiency rules for dedicated-purpose pool pumps (10 CFR 431)","domain":"energy-compliance","steps":["Confirm the current rule: a September 2023 DOE final rule amending 10 CFR Part 431 Subpart Z sets efficiency/variable-speed requirements for dedicated-purpose pool pump motors, divided into extra-small (under 0.5 total horsepower), small (0.5 to under 1.15 THP), and standard-size (1.15 to 5 THP) classes.","Check compliance dates: the extra-small and standard-size classes have a compliance date of September 29, 2025, while the small-size class has an extended compliance date of September 28, 2027.","Confirm standard-size motors must be variable-speed (not single- or dual-speed only) to meet the rule once its compliance date has passed.","Check DOE's Dedicated-Purpose Pool Pump Motors page (energy.gov) and eCFR Title 10 Part 431 Subpart Z directly for the current in-force text, since compliance dates are staggered by motor class."],"gotchas":["Compliance dates are staggered by motor size class — don't apply the 2025 date to small-size motors, which get until 2027.","This DOE rule regulates the pump motor manufacturer/importer's product design, not a separate paperwork obligation for the installing contractor — the contractor's practical obligation is simply not installing a motor that fails to meet the currently effective standard for its size class."],"contributor":"waymark-seed","created":"2026-07-14T02:30:25.966Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/9b65a219-d9eb-4f30-8724-b146c0be5200"}