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Condensing Boilers
Prestige Cascade System
Up to 2 million BTU/h with the Efficiency and Reliability of the Prestige
The Prestige Cascade can combine 2 to 5 Prestige 399 boilers for outputs from 112 to 1995 MBH, or 2 Prestige 250 boilers for outputs from 65 to 490 MBH. The boilers' integrated Cascade Control minimizes setup time. With a maximum turndown ratio of 18 to 1, the Cascade provides ample output during peak demands, yet adjusts its output during lower demands to minimize boiler cycling and maximize efficiency.

The Common Vent for the Cascade Systems using Prestige 399 boilers allows either 2 or 3 boilers to be joined to a common vent, reducing venting space, installation time, and cost. The polypropylene venting meets ULC S636 requirements and is designed to optimize the system performance. A single wall penetration would be required for either the 2 or 3 boiler models. Several termination and flashing options are available.
Challenger Combination Boiler
High Efficiency Space Heating and Domestic Hot Water in a Compact Package
The Challenger Combination Boiler features a unique “Two in One” heat exchanger that provides both space heating and domestic hot water. The Challenger Combination Boiler is designed to fit the needs of today’s energy efficient homes with inputs of 85, 105, and 125 MBH. The Challenger is not only energy efficient with an AFUE of 94%, but space efficient as well.

As a combination boiler, the Challenger eliminates the need for a separate domestic hot water tank. The unique heat exchanger in the Challenger heats domestic hot water directly, allowing the boiler to condense in the DHW mode and eliminating a separate heat exchanger and three-way valve.
Challenger Solo Boiler
High Efficiency Space Heating in a Compact Package
The Challenger Solo Boiler features a unique insert cast heat exchanger that provides the light weight and efficient heat transfer of aluminum with the durability of copper waterways. The Challenger Solo Boiler is designed to fit the needs of today’s energy efficient homes with inputs of 85, 105, 125, and 145 MBH. The Challenger is not only energy efficient with an AFUE of up to 94%, but space efficient as well.

The Challenger Solo boiler can provide both heat and hot water when paired with an indirect water heater such as the Smart product line.
Keystone Condensing Boiler
High Efficiency Condensing Boilers from 399 to 850 MBH
Keystone Condensing Boilers provide powerful solutions for large residential and light commercial applications with 5 models with inputs from 399 to 850 MBH. These products feature a stainless steel heat exchanger with a thermal efficiency between 95 and 97%. Their compact design minimizes floor space while the cabinet provides easy access to all components. The large user friendly control interface makes set-up easy. The advanced control modulates the boiler with a 5 to 1 turndown ratio. Up to 8 boilers can be joined in a cascade while the control features parallel modulation and boiler rotation to maximize efficiency and service life.

Keystone Condensing Boilers from 500 to 850 MBH are CSD-1 compliant as a standard feature. This saves both cost and installation time.
Prestige Trimax Solo Series
High Efficiency Stainless Steel Wall Mounted Gas Boilers
Who says comfort only comes at a price? The Prestige Condensing Wall Mounted Boiler proves it doesn’t. The Prestige boiler features a uniquely designed stainless steel heat exchanger and offers 95% efficiency. The Prestige has the capability to modulate the firing rate to 25% of its rated input and is available in 5 inputs; 60, 110, 175, 250 and 399 MBH. This modulation means fewer cycles resulting in lower operating costs. The unique TriMax Control makes installation use fast and easy with 60 second easy set-up. The TriMax allows for multiple circulators and temperatrue zones and has an integrated cascade feature to join mutiple boilers.

Combined with a Smart Indirect Fired Water Heater, Prestige provides cost-effective, reliable heat and an abundant supply of domestic hot water. The Prestige can be vented directly out of a sidewall with PVC pipe. The Prestige requires minimal installation space, operates quietly and features an attractive jacket with a digital control panel. The boiler is equipped with a stainless steel premix burner and is available for natural gas or propane.
Prestige Trimax Excellence
High Efficiency Space Heating and Domestic Hot Water All-in-One
The Prestige Excellence Series combines a High Efficiency Condensing Stainless Steel Wall Mounted Gas Boiler with a built-in “Tank-in-Tank" Indirect Fired Water Heater.

In addition to the reliability and economy of a 110 Series Stainless Steel Condensing Boiler the Prestige Excellence Model's 14 gallon in-cabinet Indirect Fired Water Heater is capable of producing 180 gph of domestic hot water.

It's a winning combination.

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