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Rinnai  |  SKU: RUCS75IP

Rinnai SE Series 7.5 GPM Indoor Condensing Tankless Water Heater (Propane, Model RUCS75IP)

Regular price $1,893.00


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Please Note: Some Exclusions May Apply

Delivery and Shipping

Your order processing time is 1 to 2 days. Please note that the cut-off time for order placement is 6 p.m. Orders received after this time will be processed on the following business day.

Your order will arrive within 4 to 7 days on average (free shipping over $200). Shipping for orders under $200 incurs a flat fee of $15. We currently offer shipping only within the continental United States (island deliveries may incur additional costs); international shipping is not available.

Mostly all of our orders are shipped via one of our third-party freight carriers (18-wheeler). If your order has an item that is shipped on a freight carrier, you will be contacted to schedule a curbside delivery time. Please make sure to put the correct phone number at checkout.

Upon placing your order, you will receive a confirmation e-mail. This message will confirm your order has been received by our system, and your credit card was approved for purchase. We will not charge your card until the item has shipped unless it's back ordered and we need to hold an item for you. 

As soon as your order is received on our end, we process it!

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Description

Experience superior comfort and efficiency with the Rinnai SE Series 7.5 GPM Indoor Condensing Tankless Water Heater (RUCS75IP) — the smart solution for endless hot water. Perfect for modern homes, this ENERGY STAR® certified unit delivers exceptional performance with up to 160,000 BTUs of heating power while saving space and reducing energy costs.

Designed for 2–4 bathrooms, the Rinnai SE Series provides a steady hot water flow rate up to 7.5 GPM with a 0.90 Uniform Energy Factor, ensuring maximum efficiency and minimal energy waste. Its Wi-Fi-ready system allows you to monitor and control temperature and performance directly from your smartphone, while remote diagnostics and flexible venting make installation and maintenance a breeze.

Whether for residential or light commercial applications, this indoor propane unit combines innovation, reliability, and convenience—so you’ll never run out of hot water again.

Key Features:

  • Endless Hot Water Supply: Never worry about running out—ideal for families or multiple bathrooms.
  • Wi-Fi Ready: Smart control and monitoring through the Rinnai app (sold separately).
  • Remote Diagnostics: Quick and easy maintenance with advanced self-monitoring technology.
  • Flexible Venting Options: Simplifies installation in a variety of indoor setups.
  • ENERGY STAR® Certified: High-efficiency design with a 0.90 Uniform Energy Factor.
  • Compact Design: Saves valuable space while providing powerful performance.
  • Durable and Long-Lasting: Up to 2x longer service life than traditional water heaters.
  • High Capacity: Delivers up to 7.5 GPM and supports 2–4 bathrooms simultaneously.
  • Reliable Propane Power: Consistent heating with 160,000 BTU rating.

What’s Included

  • Rinnai SE Series RUCS75IP Tankless Water Heater (LP Model)
  • User Installation & Operation Manual
  • Mounting Hardware
  • Warranty Information

Specifications:

Specification Details
Brand Rinnai
Model Number RUCS75IP
Series SE Series
Type Indoor Condensing Tankless Water Heater
Fuel Type Propane (LP)
BTU Rating 160,000 BTU
Flow Rate 0.26 GPM – 7.5 GPM
Energy Factor (UEF) 0.90
Bathrooms Supported 2–4
Color/Finish White
Venting Type Condensing (Flexible Options)
ENERGY STAR® Certified Yes
Wi-Fi Ready Yes
Dimensions (W × H × D) 18.5" × 27" × 10.5"
Installation Location Indoor
Product Weight Approx. 45–50 lbs (varies by configuration)

Care & Maintenance Instructions

  • Perform annual flushing to prevent mineral buildup and maintain efficiency.
  • Inspect venting and gas connections periodically for safety and performance.
  • Clean exterior panels with a soft, damp cloth—avoid abrasive cleaners.
  • Use only Rinnai-approved accessories and replacement parts.
  • For best results, schedule professional service every 12–18 months.