Triangle Tube Prestige Solo 330,000 BTU Condensing Gas Water Boiler - PA399

The Triangle Tube Prestige Solo 330,000 BTU Condensing Gas Water Boiler - PA399 is a Triangle Tube Prestige Solo high-efficiency condensing gas boiler built for hydronic space-heating applications. This PA399 model is the 399 MBH class unit with approximately 330,000 BTU output as listed, giving installers a model-specific boiler size for residential or light commercial heating loads.

Prestige Solo boilers use Triangle Tube’s 439 stainless steel fire-tube heat exchanger and ACVMax control platform. The line is documented with 95% AFUE, up to 5.5:1 turndown, ASME heat exchanger construction, low pressure drop, and multiple venting termination options for flexible condensing boiler installations.

Product Features:

• PA399 Model Size: Configured for the Prestige Solo 399 MBH class with 330,000 BTU listed heating output.
• 95% AFUE Performance: Prestige Solo documentation lists high-efficiency condensing operation for reduced fuel use versus non-condensing boilers.
• 439 Stainless Steel Fire-Tube Heat Exchanger: Corrosion-resistant fire-tube construction supports low pressure drop, stable water temperature, and simplified hydronic pumping.
• ACVMax Control: Graphical control interface with quick setup supports boiler settings, diagnostics, and system configuration.
• Up to 5.5:1 Turndown: Modulating burner operation helps match heating demand and reduce short cycling.
• Natural Gas or Propane Capable: Prestige Solo PA models are listed for natural gas or LP applications with proper setup and conversion requirements.
• 2"" to 4"" Venting Options: Product literature lists multiple venting termination choices for direct-vent condensing installations.

Warranty

Prestige Solo literature lists a 10-year limited heat exchanger warranty and a 2-year control and blower warranty. Verify current warranty terms and registration requirements with Triangle Tube documentation.