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Main product image of Prestige Solo 155-120,000 BTU Output Condensing Gas Boiler w/ ACVMax Control
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Prestige Solo 155-120,000 BTU Output Condensing Gas Boiler w/ ACVMax Control

SKU:
PA155
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Prestige Solo 155-120,000 BTU Output Condensing Gas Boiler w/ ACVMax Control
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PA155 has been discontinued
Discontinued November 8, 2025
This product was discontinued by the manufacturer.
BTU Input: 
153000

Product Highlights

–
Product Highlight: Fuel Type
Propane, Natural Gas
Product Highlight: Vent Type
PVC, Direct Vent, CPVC, Stainless Steel, Polypropylene, AL29-4C
Product Highlight: System Type
Hydronic (Water)
Product Highlight: Supply Size
1-1/4"
Product Highlight: BTU Input
153000 BTUs
Product Highlight: Depth (Inches)
17-5/16" Depth

Description

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Heating equipment must be installed, commissioned, and serviced by a licensed and qualified professional in accordance with manufacturer instructions, applicable codes, and industry standards. Manufacturers do not accept warranty or technical support requests from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for the installation.

The Triangle Tube brand has been discontinued by the manufacturer as of 11/3/2025. Suggested replacement units will be available on our website and replacement parts will continue to be available as supplies last. If you'd like any further assistance, please contact our customer service team.



Rebates:
This product qualifies for a federal tax rebate of up to $600. Federal Rebate click for more info

In addition to the federal rebate, you may also be eligible for rebates from your local utility company and state. Search your region and state in the link below for information about local rebate programs that may apply to you. Triangle Tube Rebate Center

Note: Product Title reflects this boiler's IBR Net Output Rating

Boiler Features:

  • 439 Stainless Steel Fire Tube Heat Exchanger
  • ASME Stamped Heat Exchanger
  • 95% AFUE
  • Turndown ratios up to 5.5:1
  • Low Pressure Drop with Proven Performance
  • 2" to 4" Venting
  • Multiple Venting Termination Options
  • Low NOx - 2012 SCAQMD Certified
  • 7 Models from 80 to 399 MBH
  • 2 Year Control & Blower Warranty
  • 10 Year Limited Heat Exchanger Warranty
  • 5 & 10 Year Extended Warranty Options
Featuring ACVMax Control with
  • 60 Second Set-up Based on Former TriMax Platform
  • Integrated Cascade Function for up to 6 Boilers
  • Two Reset Curves / Set Points
  • Multiple Zone Control
  • Multiple Circulator Control

Triangle Tube Boiler Installation & Warranty Information:

We recommend that the installation of all Triangle Tube Boilers be done by a licensed, trained and qualified technician with the proper knowledge and background.

Should you experience an issue during the installation or the initial startup of the unit, please do not contact the manufacturer. You should have the technician that installed the unit contact either us or the manufacturer. Triangle Tube cannot accept any service or warranty calls from anybody but a licensed technician.

Neither we, or Triangle Tube can be held liable for improper installation and operation of any Triangle Tube boiler product purchased from our company. Should a warranty issue arise where parts will need to be replaced, an installation receipt will be required along with your sales receipt. Failure to provide a receipt or invoice may result in the warranty not being honored.

Specs

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Product Type:

Boiler

Fuel Type:

Propane

Natural Gas

Efficiency:

95%

System Type:

Hydronic (Water)

Features:

EI/Spark Ignition

Wall Mounted

Direct Vent

Condensing

Gas Connection:

3/4"

Vent Diameter:

3"

Vent Type:

PVC

Direct Vent

CPVC

Stainless Steel

Polypropylene

AL29-4C

Supply Size:

1-1/4"

Return Size:

1-1/4"

BTU Input:

153000

DOE Rating:

138000

IBR Rating:

120000

Depth (Inches):

17-5/16"

Width (Inches):

19-3/4"

Height (Inches):

36.5625"

Weight (lbs):

118 lbs

Application:

Heating

Contact

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SOLO 155

Replacement Parts

SKU: PA155

Brand: Triangle Tube

Search Parts:
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Left Side Jacket Panel (with insulation)
PAJKT03
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Right Side Jacket Panel (with insulation)
PAJKT21
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Top Panel
PAJKT12
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Wall Mounting Bracket w/ Hardware, PSRKIT21
PSRKIT21
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