Section 14
Sources
26 documents are used on this site. They are manufacturer spec sheets, sizing guides and product pages, plus federal and EPA pages. Manufacturer documents change without notice, as most of them state in their footers.
- EPA WaterSense, Bathroom Faucets
https://www.epa.gov/watersense/bathroom-faucets - EPA WaterSense, Showerheads
https://www.epa.gov/watersense/showerheads - Eccotemp Help Desk, How to Select the Right Size Tankless Water Heater
https://support.eccotemp.com/en/articles/8946097-how-to-select-the-right-size-tankless-water-heater - Eccotemp, L10 portable product page
https://www.eccotemp.com/l10-3-0-gpm-portable-outdoor-tankless-water-heater/ - Eccotemp, L5 portable product page
https://www.eccotemp.com/l5-1-5-gpm-portable-outdoor-tankless-water-heater/ - Eccotemp, Luxe EL10 portable product page
https://www.eccotemp.com/luxe-3-0-gpm-portable-outdoor-tankless-water-heater/ - Eccotemp, Luxe EL5 portable product page
https://www.eccotemp.com/luxe-el5-1-5-gpm-portable-outdoor-tankless-water-heater/ - Eccotemp, Luxe EL7 portable product page
https://www.eccotemp.com/luxe-el7-1-85-gpm-portable-outdoor-tankless-water-heater/ - Eccotemp, SmartHome SH12-A-LP product page
https://www.eccotemp.com/smart-home-indoor-4-0-gpm-liquid-propane-tankless-water-heater-sh12-a-series/ - Eccotemp, SmartHome SH22-ILP indoor product page
https://www.eccotemp.com/smarthome-6-8-gpm-indoor-liquid-propane-tankless-water-heater-sh22-series/ - Eccotemp, SmartHome SH22-LP outdoor product page
https://www.eccotemp.com/smarthome-6-8-gpm-outdoor-liquid-propane-tankless-water-heater-sh22-series/ - Eccotemp, SmartHome SHLX-LP product page
https://www.eccotemp.com/smarthome-indoor-4-5-gpm-liquid-propane-tankless-water-heater-shlx-series/ - EcoSmart, ECO 18 product page (power, amps, breakers, panel)
https://www.ecosmartus.com/product/ecosmart-ECO-18-18-kW-Electric-Tankless-Water-Heater - EcoSmart, electric tankless product list (ECO 8 to ECO 36 pages)
https://www.ecosmartus.com/products/electric-tankless-water-heater - EcoSmart, electric tankless sizing sheet with zone table, 105 F set point (PDF)
https://files.myrheem.com/webpartners/ProductDocuments/933431FD-F006-4089-8AD0-BD41EE0810B5.pdf - Rinnai, V65e specification sheet with water flow curve (PDF)
https://media.rinnai.us/salsify_asset/s-899d951a-5d53-4438-abe7-6d8908708410/V65e%20(VC2025W-US)%20SP.pdf - Rinnai, V75e specification sheet with water flow curve (PDF)
https://media.rinnai.us/salsify_asset/s-cbcd524c-894a-4384-8369-05bc3fef7e57/V75e%20(VC2528W-US)%20SP.pdf - Rinnai, non-condensing tankless brochure with United States Ground Water Temperature Map and V53De table, 06/2022 (PDF hosted by Woodstove Pro)
https://woodstovepro.com/store/pdf/Rinnai-High-Efficiency-Non-Condensing-Tankless-Water-Heater-Brochure.pdf - Stiebel Eltron, DHC-E Classic technical specifications, rev. 6.2025 (PDF)
https://www.stiebel-eltron-usa.com/sites/default/files/pdf/tech-specs-dhc-e-classic.pdf - Stiebel Eltron, Mini and Mini-E sizing guide, rev. 2.2024 (PDF)
https://www.stiebel-eltron-usa.com/sites/default/files/pdf/sizing-guide-mini-mini-e.pdf - Stiebel Eltron, Mini and Mini-E technical specifications, rev. 4.2026 (PDF)
https://www.stiebel-eltron-usa.com/sites/default/files/pdf/tech-specs-mini-mini-e.pdf - Stiebel Eltron, Tempra Trend and Plus technical specifications, rev. 6.2025 (PDF)
https://www.stiebel-eltron-usa.com/sites/default/files/pdf/tech-specs-tempra-trend-plus.pdf - Stiebel Eltron, Tempra and Tempra Plus sizing guide with ground water map (PDF)
https://www.stiebel-eltron-usa.com/sites/default/files/pdf/sizing-guide-tempra.pdf - Stiebel Eltron, Tempra table of flow rates at temperature rises (technical bulletin PDF)
https://www.stiebel-eltron-usa.com/sites/default/files/pdf/tsb-tempra-flow-table.pdf - US EPA, average shallow ground water temperature map (after Collins, 1925)
https://www3.epa.gov/ceampubl/learn2model/part-two/onsite/tempmap.html - eCFR, 10 CFR 430.32 (o) faucets and (p) showerheads
https://www.ecfr.gov/current/title-10/chapter-II/subchapter-D/part-430/subpart-C/section-430.32
Ratings that rest on a single rated point, or on a point estimated from a curve, are marked where they appear. Prices are not shown on this site because they change often. The manufacturer links have current prices.