Rinnai tankless water heater models listed below in Ontario Canada .

2006 Rinnai Models

• Rinnai R85 (REU-V2532W): An exterior (outdoor) continuous-flow gas hot water system delivering up to 8.5 GPM, popular in mid-2000s residential installs.

• Rinnai Model 2532 (Continuums): An indoor/outdoor unit widely deployed with PVC venting that ran on natural gas or propane.

• Rinnai Model 2533: A closely related variation of the Continuum series produced during the mid-2000s manufacturing window (1999–2008 format)

2007 Rinnai Models

• RE/VE Series Indoor (i) & Outdoor (e) Units: Included popular residential sizes like the RE140, RE160, RE180, and RE199 (also referenced in manuals as VE variants).

• Legacy Flow Designations: Often referred to in consumer setups by capacity shorthand like the R70 and R85.

• Fuel Types: Available in Natural Gas (N) or Propane (P) configurations

2008 Rinnai Tankless Models

• R94LS (REU-KB3234FFU): Flagship high-capacity residential unit earning Energy Star ratings in 2008, providing up to 9.4 GPM.

• R75LS (REU-KB2530FFU): Mid-to-high range residential unit delivering up to 7.5 GPM, also an Energy Star recipient in 2008.

• R50LSi: Smaller-capacity direct-vent indoor residential continuous-flow unit.

• R85e (REU-V2532W): Outdoor builder’s specification model updated and specified through early 2008.

2009 Rinnai Tankless Lineup

• R75LS (R75LSi / R75LSe): A mid-range non-condensing unit delivering up to 7.5 GPM, available in indoor (i) and outdoor (e) configurations for natural gas (N) or propane (P).

• R94LS (R94LSi / R94LSe): A larger capacity non-condensing unit providing up to 9.4–9.8 GPM max flow for heavier household hot water demands.

• V-Series & Early Condensing Units: 2009 marked the transition year where Rinnai expanded non-condensing V-series variants (like the V53 and predecessor V-series) and rolled out their first generation of residential condensing units.

2010 Rinnai Models

• R75LSi / R75LSe: A major mid-range, non-condensing residential unit (indoor i or outdoor e) delivering up to 7.5 gallons per minute (GPM).

• RC80HPe / RC98HPi: Early high-efficiency condensing models, with the RC98 offering up to 95% thermal efficiency for heavy household demand.

• V53 / V75 Series (V53De, V75i): Compact, high-efficiency continuous-flow units designed for smaller-to-medium residential spaces and remodels.

• RL75 / RL94 Series: High-efficiency non-condensing tankless units featuring digital temperature controls and adjustable maximum output limits.

2011 Model Series

• Ultra Series (Condensing):

• RC98i (Interior) / RC98e (Exterior): High-efficiency condensing units delivering up to 9.8 GPM at 199,000 BTU/hr with an Energy Factor around 0.94–0.96.

• RC80i (Interior) / RC80e (Exterior): Condensing models rated up to 157,000 BTU/hr.

• Value / Residential Series (Non-Condensing):

• V53e: Compact exterior model with a 5.3 GPM max capacity and 120,000 BTU input.

• V65i / V65e: Indoor and outdoor units offering up to 6.6 GPM capacity and 150,000 BTU input.

• V75i / V75e: Mid-to-high capacity non-condensing units with a 7.5 GPM max capacity and 180,000 BTU input.

• Luxury / Standard Residential:

• R94LS (R94LSi / R94LSe) and R75LS series were actively distributed during this period.

2012 Rinnai Models

• Ultra Series Condensing Models (e.g., RU80, RU94, RC98i): High-efficiency units launched or updated around April 2012 featuring built-in Circ-Logic recirculation programs, enhanced scale detection, and leak detection shut-off options. The popular indoor/outdoor RC98i was widely featured for high-demand residential setups.

• Value Series Models (e.g., V75i): Compact, non-condensing units designed as an efficient fit for small- to mid-sized homes.

• Luxury / Standard VB/KB Series: Earlier non-condensing and transitional units that integrated digital controls and varied venting options.

2013 Rinnai Tankless Series from

• RU Series (Super High-Efficiency Plus): Condensing units like the RU160 and RU199 introduced high-grade energy efficiency, dual venting options (concentric or PVC/CPVC), and Circ-Logic technology for programmable external pump recirculation.

• Ultra Series (RC / RUC): High-end condensing models (such as the RC98 / RC80 equivalents) providing high maximum BTUs (up to 199,000 BTU) and high flow rates for larger multi-bath homes.

• V-Series & Value/Luxury Series: Non-condensing baseline units (such as the V53 and V75 series) designed as compact, wall-mounted, cost-effective solutions for small-to-medium residential spaces

2014 Rinnai Tankless Models & Innovations

• RUC98i and RUC80i: Highlighted in late 2014 announcements by Supply House Times and ACHR News, these Ultra Series condensing units added built-in adaptability for either concentric or 3”/4” twin-pipe PVC/CPVC venting configurations out of the same box.

• Ultra Series Expansion: Rinnai also expanded its high-efficiency condensing offerings through late 2014 with the rollout of additional RU-series and RUR-series units designed to maximize installation flexibility and energy factor ratings

2015 Rinnai Tankless Water Heater Additions & Lineup

• Ultra Series Condensing Expansion (New in 2015): Rinnai added four mid- and lower-range BTU models for indoor and outdoor setups targeting smaller single-family or multifamily homes:

• RUCS65 / RUS65: Indoor (RUCS) and outdoor (RUS) units featuring a maximum capacity of 130,000 BTU and a high energy efficiency factor.

• RUCS75 / RUS75: Indoor (RUCS) and outdoor (RUS) units featuring a maximum capacity of 160,000 BTU.

• Value Series (Compact & Budget-Friendly):

• V75e / V65 Models: Designed for smaller hot water demands with straightforward concentric venting options.

• Luxury Series (High Output):

• RL94i: Highlighted as a top non-condensing high-output unit featuring Circ-Logic technology to customize recirculation schedules based on household usage.

• Hybrid Solutions:

• RH180 Hybrid: Combined a tankless water heating mechanism with a 40-gallon storage tank

2016 Rinnai Series & Models

• RU Series (Super-High-Efficiency Condensing): Included high-demand models like the RU199, RU160, and RUc75 / RUc65 variants.

These units offered superior energy factors, multi-location hot water delivery (up to 4–6 fixtures), and Circ-Logic recirculation capability.

• RL Series (High-Efficiency Plus Non-Condensing): Provided mid-to-high flow non-condensing options (such as the RL94 and RL75 series) built for standard residential applications with reliable on-demand output.

• V Series (Value Non-Condensing): Compact models like the V75 and V53 designed for smaller homes, tight spaces, or remodeling projects.

2017 Rinnai Tankless Models

• RU Series (Super-High-Efficiency Condensing)

• RU80i (RU80iN / RU80iP): Delivered up to 8.0 GPM with a max input of 152,000 to 157,000 BTU/h, built for indoor installation.

• RU98i / RU199i (RU98iN / RU98iP): High-capacity residential units providing up to 9.8–11 GPM with a maximum input of 199,000 BTU/h.

• RUR98i (RUR98iN / RUR98iP): Luxury condensing models featuring a built-in recirculation pump and thermal bypass valve for faster hot water delivery.

• V Series & RE Series (Non-Condensing / High-Efficiency)

• V75i / V75e: Mid-range models designed for smaller-to-medium residential homes needing continuous hot water flow.

• V53De: Compact outdoor units designed for smaller hot water loads or localized demands.

• RE Series (RE140, RE160, RE180, RE199): Standard non-condensing wall-mounted units configured for various flow rates and indoor/outdoor placements.

2018 Rinnai Tankless

• RU Series (Super-High Efficiency Plus Condensing):

• Included popular models like the RU98 (such as the indoor RU98iN) and RU199 variants.

• Delivered up to 0.95 Uniform Energy Factor (UEF) efficiency.

• Supported heavy hot water demands (simultaneous supply to multiple baths/fixtures).

• RUR Series (Condensing with Integrated Recirculation Pump):

• Included models like the RUR98iN (indoor) and RUR98eN (outdoor).

• Featured built-in pumps and Circ-Logic technology for faster hot water delivery at the tap.

• RL / V Series (High-Efficiency Non-Condensing):

• Included workhorse models like the RL94 and V98 series.

• Designed for standard residential installations requiring traditional non-condensing venting configurations.

2019 Rinnai Tankless Models

• RU Series (Super High-Efficiency Condensing): Models like the RU199iN, RU160iN, and RU80iN offered up to 0.95–0.96 Uniform Energy Factor (UEF) ratings, Wi-Fi compatibility, and installation flexibility for indoor or outdoor venting.

• RSC Series (Condensing with Recirculation): Models like the RSC199 featured a built-in pump and thermal bypass valve to deliver faster hot water availability at the tap.

• V Series & RL Series (Non-Condensing / High-Efficiency Plus): Standard options like the RL94 and V94 series provided reliable on-demand hot water for smaller to mid-sized residential setups.

2020 Rinnai Tankless Models

Condensing Models

• SENSEI RX Series (RXP and RX): High-efficiency units featuring up to 0.98 Uniform Energy Factor (UEF), Smart Sense adaptive gas valve technology (natural gas or propane without a kit), and a Quick Flush feature. Key variants include the Rinnai Sensei 11.1-GPM 199K-BTU Condensing Tankless Water Heater (RX199) and RX160, RX130 variants.

• RUS Models: Mid-tier condensing units offering around 0.90 UEF.

• RUCS Models: Compact condensing models rated at roughly 0.85 UEF.

Non-Condensing Models

• RE and REP Series: Traditional high-efficiency non-condensing options with UEF ratings between 0.81 and 0.82, suited for small- to mid-sized domestic applications.

2021 Rinnai Tankless Series & Models

Rinnai organizes its tankless water heaters by efficiency (Uniform Energy Factor or UEF) and features:

SENSEI RX Series (Condensing)

• RXP Models (RXP199iN, RXP160iN): Features a 0.98 UEF rating with a built-in recirculation pump and Smart-Circ technology.

• RX Models (RX199iN, RX180iN, RX160iN, RX130iN): High-efficiency units with a 0.98 UEF rating, Smart Sense gas valve (natural gas or propane convertible), and a Quick Flush feature.

• RUS Models (RUS75eN/eP, RUS65eN/eP): Outdoor condensing units with a 0.90 UEF rating.

• RUCS Models (RUCS75iN/iP, RUCS65iN/iP): Compact indoor condensing options with a 0.85 UEF rating.

RE Series (Non-Condensing)

• RE & REP Models (including RE199, RE180, RE160, RE140): Traditional non-condensing indoor (i) and outdoor (e) variants with UEF ratings around 0.81 to 0.82, suited for small-to-mid-sized hot water demands.

2022 Rinnai Tankless

SENSEI RX Series (Condensing)

The RX series represents Rinnai's high-efficiency platform launched around mid-2022, featuring up to 0.98 Uniform Energy Factor (UEF) efficiency.

• RX Models (RX130, RX160, RX180, RX199): Standard high-efficiency condensing units ranging from 130,000 to 199,000 BTU, delivering up to 11.1 GPM capacity.

Features Smart Sense gas control (automatic natural gas/propane adaptability) and Versa Vent for flexible indoor/outdoor installation.

• RXP Models (RXP160, RXP199): Condensing units equipped with built-in pumps and Smart-Circ intelligent recirculation for instant hot water availability.

Other Core 2022 Lineups

Rinnai continued supporting specialized configurations alongside the new RX launch:

• RUS & RUCS Series: Mid-to-high tier condensing models offering UEF ratings of 0.90 (RUS) and 0.85 (RUCS).

• RSC / RUR Series: Units featuring integrated recirculation logic and smart-home integration (such as Amazon Alexa compatibility).

• RE / REP Series: Non-condensing gas tankless alternatives with UEF ratings around 0.81 to 0.82, suited for smaller setups

2023 Rinnai Tankless Models

Key Rinnai Sensei RX Series Models

• RXP Models (RXP199iN, RXP160iN): High-efficiency condensing units featuring a built-in recirculation pump and Smart-Circ technology, rated at 0.98 UEF.

• RX Models (RX199iN, RX180iN, RX160iN, RX130iN): Premium non-pump condensing units offering up to 0.98 UEF efficiency, dual natural gas/propane adaptability via Smart Sense, and Versa Vent for flexible indoor/outdoor installation.

• RUS Models (RUS75e, RUS65e): Streamlined condensing units offering an energy factor around 0.90 UEF.

• RUCS Models (RUCS75i, RUCS65i): Indoor-focused condensing options rated at 0.85 UEF.

2024 Rinnai Tankless

Rinnai SENSEI RX Series Models

• RXP Series (RXP199iN, RXP160iN): Features a 0.98 UEF rating with a built-in recirculation pump and Smart-Circ technology for fast hot water delivery.

• RX Series (RX199iN, RX180iN, RX160iN, RX130iN): High-efficiency condensing units boasting a 0.98 UEF rating, outputting between 130,000 and 199,000 BTU (up to 11.1 GPM on top models).

• RUS Series (RUS75, RUS65): Mid-tier condensing models delivering a 0.90 UEF rating.

• RUCS Series (RUCS75, RUCS65): Compact condensing options rated at 0.85 UEF.

2025 Rinnai Tankless

SENSEI RX Series Lineup

Rinnai organizes its condensing tankless water heaters by efficiency and built-in features:

• RXP Models (Built-in Pump): Includes models like the RXP199iN and RXP160iN.

These feature Smart-Circ intelligent recirculation to deliver hot water faster and achieve up to a 0.98 Uniform Energy Factor (UEF).

• RX Models (Standard Condensing): Includes models like the RX199iN, RX180iN, RX160iN, and RX130iN. These provide high-flow, continuous hot water with up to 0.98 UEF without a built-in pump.

• RUS Models: Entry-level condensing models (such as the RUS75e and RUS65e) rated at 0.90 UEF.

• RUCS Models: Compact indoor condensing options (such as RUCS75i and RUCS65i) rated at 0.85 UEF