Rinnai M090CN Condensing Gas Boiler, Natural Gas (90K BTU) M090CN - Natural Gas

Brand:Rinnai

3.1/5

3517.30

Rinnai's efficient heat exchangers, fueled with either natural gas or propane, are the perfect solution for heating entire homes. Rinnai's condensing gas water boiler has obtained one of the highest AFUEs (Annual Fuel Utilization Efficiency) in the industry. M090CN is a convection heater with convenient control options and the ability to connect two-zone pumps to the PCB that delivers whole house heating and domestic hot water heating up to three bathrooms. Rinnai America offers energy-efficient gas appliances that provide superior heating and hot water performance.

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Guaranteed to Last: 12-, 2-, and 1-year residential and 5-, 2-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively. Space-Saving Design: Compact wall-mounted design of this water heater saves space; multiple venting options include a 2-inch PVC up to 60 feet and 3-inch up to 150 feet. User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings; adjust the CH temperature between 68°F and 185°F and DHW between 104°F and 149°F. Smart Features: Multizone control capability allows thermostat and integrated modulating control pumps to connect directly to the boiler of the smart heater that warms the house and the tap water. Hot Water Heater: Heat the whole house with this boiler featuring a stainless-steel heat exchanger with a modulating ceramic burner and a built-in domestic hot water plate heat exchanger for showers and faucets.
Batteries Required? ‎No
Brand Rinnai
Brand ‎Rinnai
Capacity 90 Kilowatts
Capacity ‎90 Kilowatts
Certification ‎Energy Star
Color M090CN - Natural Gas
Color ‎M090CN - Natural Gas
Country of Origin ‎Netherlands
Customer Reviews 4.0 4.0 out of 5 stars 13 ratings 4.0 out of 5 stars
Included Components ‎Product Only
Item Dimensions LxWxH 10 x 31.5 x 28 inches
Item Dimensions LxWxH ‎10 x 31.5 x 28 inches
Item model number ‎M090CN
Item Package Quantity ‎1
Item Weight ‎64 Pounds
Manufacturer ‎Rinnai
Part Number ‎M090CN
Power Source Natural Gas
Power Source ‎Natural Gas
Product Dimensions ‎10 x 31.5 x 28 inches
Style ‎M090CN - Natural Gas

3.1

7 Review
5 Star
50
4 Star
30
3 Star
6
2 Star
0
1 Star
14

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Scritto da: Joseph R. Gallo Jr.
It functions well
Great value
Scritto da: julia fergerson
Low Pressure Error codes?
Renting a house where this system is installed. We are without heat. Hoping someone here knows how I can fix this error code and how to fill the system. I live in NY and we have no heat. Still Waiting for the homeowner to contact me back.
Scritto da: Camelkelly
Great
Exactly what we needed
Scritto da: Larrynrg
Don't listen to amateurs
Hot water heating boilers/systems are generally going to operate at 15 psi, not 45. Your regulator is at the fill point of the HW system. Inability to troubleshoot or fail to understand what is required for an installation sounds like a tech problem, not a product problem.
Scritto da: Robert Eugene Raymond
Beware of low PSI capacity
I NEVER would have bought this unit if I had known how weak it was in regards to the PSI it could handle coming into it. 45lbs is ridiculously low for a boiler. Normally the pressure regulating valve goes right after the incoming water supply line. Instead I had to move it to right before the "in" connection on the boiler because my normal zone valves push water too fast for it... It works well now, but that 45 psi limit is a complete and total joke. Get a better boiler
Scritto da: Michiko Prosonic
Do not purchase
I installed the M090CN unit in February of 2019. In March of 2022 it no longer works. Upstate New York is not the place to be with out heat in March. I have been in touch with technical assistance on numerous occasions. I had a heating company come in to see what they could do. They called technical assistance also. It was determined that I had a bad board. They sent me a new board which they covered under warranty. Still no heat or hot water. It just seems to be a guessing game as to what the problem is. Do not buy this product, you will regret it as I am.
Scritto da: Amazon Customer
Great unit but beware it is not a complete system as touted.
The good: works great and delivers hot water faster than unit it replaced. Easy to operate and very quite operation. The Bad: delivery from seller was lousy. Too way too long and was not tracked very well at all. However, the bigger issue was the set up. This is not an out of the box complete set up. While it was clear from the manual that a vent kit and isolation valves were not included, additional items were required to get this unit to work properly that were not described in the instructions. ie two additional pumps and a zone controller. My original unit did not need this and other units on the market don’t as well. Very disappointed in this and had I known this I would have not purchased this unit. Since this unit is now discontinued, my comments are mute. Not sure if this problem has been rectified in newer models but it certainly is ridiculous to buy a combination boiler that can’t handle the job it was designed to do without additional external pumps.

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