Rinnai I-Series 150,000 BTU Condensing Gas Boiler – Heat Only (Natural Gas)
Rinnai I-Series 150,000 BTU Condensing Gas Boiler – Heat Only (Natural Gas) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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.
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As soon as your order is received on our end, we process it!
Rinnai I-Series 150,000 BTU Condensing Gas Boiler – Heat Only (Natu...
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Description
Description
The Rinnai I-Series 150,000 BTU Solo Heat-Only Condensing Gas Boiler (I150SN) delivers dependable comfort with exceptional efficiency. Built for modern homes, this wall-mounted condensing boiler combines powerful performance with a compact, space-saving design.
Featuring a 96.1% AFUE rating, it efficiently converts fuel into heat, helping you lower energy costs while maintaining steady warmth throughout your home. The user-friendly electronic controls make operation simple, and the accessible layout ensures easy servicing.
Compatible with indirect water tanks (sold separately), the I-Series provides flexibility for future expansion. Its durable silver finish, quiet operation, and advanced condensing technology make it an excellent choice for both new installations and upgrades.
Choose Rinnai for long-lasting quality, efficient heating, and trusted performance that enhances home comfort season after season.
Why Choose Rinnai RE180EN?
The Rinnai RE180EN delivers endless hot water, lower energy costs, and superior reliability in a compact outdoor-ready design — making it an ideal upgrade for homeowners who value performance and efficiency.
Key Features:
- Powerful Heating: Provides up to 150,000 BTU output for consistent and efficient heat distribution.
- Energy Efficient: Achieves an impressive 96.1% AFUE, helping reduce energy bills.
- Compact Design: Wall-mounted to save space while maintaining high output.
- User-Friendly Controls: Easy-to-use electronic/IPI control panel ensures simple operation.
- Indirect Tank Compatible: Works seamlessly with indirect water tanks (sold separately).
- Low Maintenance: Engineered for ease of serviceability and long-lasting performance.
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Durable Construction: Finished in sleek silver with high-quality materials for lasting durability.
What’s Included
- Rinnai I-Series I150SN Condensing Gas Boiler Unit
- User Manual & Installation Guide
- Mounting Hardware Kit
(Primary Secondary Heating Kit sold separately)
Specifications:
| Specification | Details |
|---|---|
| Brand / Model | Rinnai I-Series I150SN |
| Type | Solo Heat Only Condensing Gas Boiler |
| Fuel Type | Natural Gas (NG) |
| Heating Capacity (BTUs) | 15,000 – 150,000 |
| AFUE Rating | 96.1% |
| Mounting Type | Wall-Mounted |
| Vent Type | Condensing |
| Control Type | Electronic / IPI |
| Color / Finish | Silver |
| Weight | 68.3 lbs |
| Dimensions (W × H × D) | 18.5" × 26.4" × 10.9" |
| Tank Compatibility | Indirect Tank Compatible |
| Required Accessories | Primary Secondary Heating Kit (Sold Separately) |
Care & Maintenance Instructions
- Schedule annual servicing by a licensed HVAC technician to maintain peak efficiency.
- Regularly check for vent obstructions or debris.
- Keep the control panel clean and dry—avoid moisture exposure.
- Use only manufacturer-approved accessories and parts.
- Refer to the included Rinnai user manual for detailed maintenance guidance.
Let customers speak for us
The rugged rock-like exterior blends beautifully into our deck design. The seating for six is spacious, and the 10 therapy jets deliver smooth and relaxing streams. Heats quickly and hides all the mechanicals underneath. Totally exceeded our expectations.
much better than our old open fireplace
We love it! It looks very realistic!
Love the tropical vibes it brings to my backyard. Worth every cent. Fast ship and great service.
Peaceful water sound and super easy to maintain.
Looks great in the living room. It puts out really nice flames.
This massive waterfall made our pool feel like a resort. The roar of that cascade is hypnotizing and the finish looks incredibly lifelike. We chose brown rock and it blends perfectly. Installation needed 3 people, but totally worth it.
Does exactly what it’s supposed to do.
Looks incredible in the backyard. Setup wasn’t hard
We sold our wood unit for this, and haven’t looked back. Easy pilots, no mess, looks great
This grill is a beast! Super high quality.
Works well. Sent in a timely manner. Cheapest online too!
Installation was extremely easy. Came with all the equipment needed!
We wanted something tropical, this fit perfectly!
