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Rinnai  |  SKU: RUS75EP

Rinnai SE Series 7.5 GPM Outdoor Condensing Tankless Water Heater (LP) – RUS75EP

$1,893.00
+
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  • 📦Fast 4–7 Day Delivery
  • 🛡️Manufacturer Warranty Included
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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!

Authorized Online Dealer
Free Shipping + No Sales Tax (exclusions may apply)
We Beat The Lowest Price
Fast 4-7 Day Delivery
Manufacturer Warranty Included
Questions? Call Our Experts: +1 (800) 484-0224

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Payment methods

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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Description

Upgrade your home’s hot water system with the Rinnai SE Series 7.5 GPM Outdoor Condensing Tankless Water Heater (LP – RUS75EP) — a reliable, high-efficiency solution designed to deliver endless hot water for up to four bathrooms simultaneously.

Engineered for performance and longevity, this ENERGY STAR® certified model provides up to 160,000 BTUs of heating power while maintaining an impressive 0.89 Uniform Energy Factor (UEF). Its Wi-Fi-ready design offers convenient control, diagnostics, and maintenance via smart connectivity — ensuring you always have access to performance insights and troubleshooting options.

Ideal for outdoor installation, the Rinnai SE Series combines advanced condensing technology with durable construction, giving you superior energy savings, minimal maintenance, and a service life twice as long as standard water heaters.

Key Features:

  • Endless Hot Water: Consistent flow up to 7.5 GPM — perfect for 2–4 bathrooms.
  • Wi-Fi Ready: Connect for remote monitoring, diagnostics, and maintenance.
  • High Performance: 160,000 BTUs with 0.89 UEF for top energy efficiency.
  • ENERGY STAR® Certified: Environmentally friendly and cost-efficient operation.
  • Outdoor Installation: Compact, weather-resistant design saves indoor space.
  • Easy Installation: Flexible venting options and compatibility with Rinnai accessories.
  • Extended Service Life: Built for long-term reliability and 2× longer lifespan.
  • Consistent Supply: Operates from 0.26 GPM to 7.5 GPM for all water demands.

What’s Included

  • Rinnai SE Series RUS75EP Tankless Water Heater (LP)
  • Installation Manual and Mounting Hardware
  • Warranty Registration Information
  • Quick Start Guide

Specifications:

Specification Details
Model Number RUS75EP
Series SE Series
Fuel Type Liquid Propane (LP)
Installation Location Outdoor
Color/Finish White
Hot Water Flow Rate 0.26 – 7.5 GPM
BTU Input 160,000
Energy Efficiency (UEF) 0.89
ENERGY STAR® Certified Yes
Venting Type Condensing
Wi-Fi Capability Ready (optional accessory)
Max Bathrooms Supported 2–4
Dimensions (H × W × D) 27" × 18.5" × 10.5"
Weight Approx. 50 lbs

Care & Maintenance Instructions

  • Perform annual professional maintenance to maintain optimal efficiency.
  • Inspect air intake and exhaust vents regularly for blockages or debris.
  • Use soft water where possible to minimize scale buildup.
  • Keep the unit clean and dry, especially around outdoor installations.
  • If the unit will not be used for an extended period, drain all water from the system to prevent damage from freezing.
  • Always use Rinnai-approved accessories and replacement parts for service or upgrades.