KS500 Keystone Condensing Boilers - Triangle Tube - Plumbestore

Keystone Condensing Boiler KS500 - Triangle Tube

  • $9,999.00
  • Save $5,506


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Keystone Condensing Boilers KS500 by Triangle Tube provides powerful solutions for large residential and light commercial applications with an input MBH of 100 - 500. It has a uniquely designed stainless steel heat exchanger (ASME Stamped Heat Exchanger) and boasts 95% thermal efficiency.
It has the capability to modulate the boiler with a 5 to 1 turndown ratio. This modulation means the boiler will alter its firing rate to meet the current demand, causing less cyclic behavior and resulting in lower operating costs. It has a  compact design that minimizes floor space while the cabinet provides easy access to all components. It has a large user-friendly control interface that makes the setup of the boiler easy. 


 

KS500 Keystone Condensing Boiler Specifications: 

  • Fuel: Natural Propane 
  • Input Modulation MBH: 100 - 500
  • Thermal Efficiency: 95%
  • DOE Heating Capacity MBH: 475
  • Combustion Efficiency: 95% 
  • Net AHRI Rating MBH: 413
  • Turndown Ratio: 5:1 
  • Weight Lbs. : 419
  • Intake (Air) Pipe: 4”
  • Exhaust (Vent) Pipe: 4"
  • Gas Connection: 1 NPT
  • Water connection size: 11/2 NPT 
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(Open hours: 9:00 AM - 5:00 PM)

Disclaimer: It is recommended that the item must be installed by a licensed contractor for safety.

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