AHB90

AHB75

FEATURES

Four models covering a range of heating capacities

27,100 to 96,300 BTU/hour

Multi-position (upflow, downflow, horizontal left, horizontal right) without modifications *

Modifiable for side-entry return air

Low-flow, high-head pump custom designed to work with Rinnai's tankless water heaters

Integrated control board with learning algorithm

No combustion air infiltration losses when used with a Rinnai tankless water heater

Four selectable heat blower off delay times

Multi-speed motors (ECM)

Strong 20-gauge steel cabinet

Galvanized, painted

Fully insulated cabinet

Low 34 inch profile

Multi-position control box

Designed for serviceability

Schrader valves to purge air from the system

Integral filter rack with filter

Fan motor with ECM technology

*NOTE: The unit is not designed to be installed on its back or face down.

37AHB Series Hydronic Furnace

Part of the Rinnai Tankless Heating System

PATENT PENDING

AHB60

AHB45

The optimum in hydronic technology, the newly designed Rinnai® multi-position hydronic furnaces offer a unique solution for a wide variety of small- and medium-sized residential and light commercial applications. They are compact and ready to fit in tight spaces which may include, but not limited to, attics, basements, closets, crawlspaces, and utility rooms.

Intelligent Microprocessor Controller

The 37AHB units are equipped with an intelligent microprocessor control that allows for domestic hot water priority and adapts to available hot water flow for space heating by automatically regulating the pump and fan sequence to maximize comfort.

Fine Tuned to Work with Rinnai Tankless Water Heaters

These unique hydronic furnaces are designed to work in combination with our line of Rinnai® tankless water heaters to deliver heating capacities that cover a wide spectrum of residential and light commercial heating applications. When combined, the units form the Rinnai Tankless Heating System, the first matched, tankless hydronic heating solution in the industry!

 

This product is manufactured in a

 

facility registered by UL to ISO

 

9001.

UL recognized

600000060 (7/2010)

component

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Rinnai specifications 37AHB Series Hydronic Furnace, Features

37AHB specifications

The Rinnai 37AHB is a modern, advanced heating appliance designed to meet the demands of contemporary homes. It stands out due to its unique blend of efficiency, reliability, and innovative features, making it an ideal choice for anyone looking to enhance their home heating experience.

One of the standout features of the Rinnai 37AHB is its high efficiency rating. The unit operates with a remarkable energy efficiency level, helping to reduce heating costs and lessen environmental impact. This is particularly beneficial for homeowners looking to maintain a comfortable temperature without incurring high energy bills.

The 37AHB is equipped with a powerful heating capacity, making it suitable for medium to large spaces. With its ability to deliver consistent warmth even during the coldest seasons, the unit ensures maximum comfort for residents. This is further enhanced by its advanced heat exchanger technology, which optimizes heat transfer and distribution throughout the home.

The Rinnai 37AHB also features an intuitive digital control panel, allowing users to easily adjust settings for personalized comfort. This feature enables direct access to temperature settings, timer functions, and mode adjustments, making it user-friendly and convenient. The ability to set precise temperatures ensures that living spaces are always kept at optimal conditions.

Safety is a priority with the Rinnai 37AHB, as evidenced by its built-in safety features. The unit includes a flame failure device and an overheat protection mechanism, providing peace of mind for users and ensuring reliable operation without the risk of accidents. Additionally, the appliance is designed with high-quality materials, ensuring durability and longevity.

Installation of the Rinnai 37AHB is straightforward, with various options available for venting and placement. This flexibility allows homeowners to choose the best configuration for their space. Plus, its sleek and modern design enables it to blend seamlessly with various interior styles, enhancing overall aesthetic appeal.

Finally, the Rinnai brand is known for its exceptional customer support and warranty offerings, which provide added assurance for buyers. With the combination of efficiency, advanced technology, and design flexibility, the Rinnai 37AHB stands out as a top choice for those seeking an effective heating solution that prioritizes both comfort and safety. Whether upgrading an existing system or investing in a new one, the Rinnai 37AHB is an excellent option for modern heating needs.