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Slant-Fin Lynx Boiler

Updated: Nov 12, 2015

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Overview of the Lynx

The Slant/Fin Lynx is a modulating condensing gas combi boiler with an efficiency of up to 93% AFUE. It is a compact, lightweight unit designed for floor-standing or wall-mount installation and can be used with natural or LP gas. The unit features a spark ignition system and a corrosion-resistant cast aluminum silicon alloy heat exchanger, along with a brazed plate stainless steel heat exchanger for domestic hot water. All connections are located at the top of the boiler, and a digital electronic control with outdoor reset helps monitor the system.

Consumer Reviews of the Slant-Fin Lynx

Compare to Other Slant-Fin Boilers:
#6  of 6 Slant-Fin Boilers
2 of 5 stars 2 reviews

  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied

Date created: 2015-10-29 Location: Pompano Beach, Fl.

Satisfaction Rating:

4 of 5 stars Somewhat Satisfied

"Slant Fin Lynx LX-120"
I am not a handy man and don't do a lot of projects around the home but I do sometimes and thought I could install this boiler by myself. I did all my research on the boiler and decided this was the one for me that meets my needs and price range. Then I did all my research on installing this boiler and felt comfortable to do it myself. This is the first boiler I installed myself and the instructions were very clear, making installing it a breeze. It did take me a couple hours to do with the right tools but the money I save was worth it. I would recommend having a friend help you carried the boiler since it is awkward and a bit heavy. I did used a cart to help me move it but those stairs were really difficult to do. The water gets hot really quick compared to my old one. Sometimes the water temperature varies in range but normally within the acceptable range. The price was a little steep but you get what you pay for and I feel this will last me a long time.

Date created: 2014-11-01 Name: L C
Location: New Jersey

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

"Stuck on domestic water with the pump running."
I had a Slant Fin Lynx Combi installed in December, 2012. About a year later, it got stuck on domestic water mode and the pump wouldn't shut off. The company that installed it has tried to fix it repeatedly – they reset it, replaced the board, replaced the flow valve, reset it again, and other things. But after they “fix” it, in a day or two it gets stuck in domestic water mode with the pump running continuously again. Has anyone heard about others who have had these problems? Is it fixable? They have been out to fix it about 5 times, without success. Update on 2014-11-26: As the weather has become colder, the Lynx 150 Combi Boiler, which is less than 2 years old, has not been able to keep the house warm. When it is in the upper 30's outside, the boiler can only heat the house to about 60 degrees. In addition, the hot water temperature ranges from very cold to scalding and back multiple times over the course of a shower. The domestic water temperature reading on the boiler ranges from 110 to 168. It is set at 125. The installer has been kept waiting weeks for a part.

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Other Lynx Reviews

Based on reviews from online HVAC forums, the Lynx is regarded as a good boiler, with several comments about Slant/Fin being an excellent company. Comments from a post about the Lynx on heatinghelp.com are mostly positive, with positive comments about their warranty and customer service. A homeowner on hvac-talk.com had a negative experience with Slant/Fin customer service while trying to repair his Lynx, but professionals on the post commented that he take Slant/Fin's suggestions about finding a professional to work on it.

Lynx Warranty

Product registration is required within 30 days of installation for maximum warranty coverage. The warranty for the Slant/Fin Lynx boiler is comprised of the following:

  • 15-year heat exchanger warranty, prorated after the 10th year
  • 5-year parts and labor warranty

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