



Max Input: 199,000 BTU/H Available in a Combi version with built in pump and DHW heat exchanger.
Innovative Design
The engineering elegance of the Tx is unmatched. The control panel is hinged to provide easy access to the field wiring connectors, and internal components.
Engineering Elegance
The Tx has been engineered to make installation, setup and service easy. Service ports, test receptacles, easy access, and quick release components make the Tx unmatched in the industry.
Combi Application
The 151 and 200 are available in a combi version, whereby the boiler can provide both space heating and domestic hot water. The boiler gives full capacity in heating and DHW modes.
Max Input: 154,000 BTU/H Available in a Plus version with built-in indirect water heater.
Maximum VITALITY
The Vmax uses a stainless steel down-fired heat exchanger which ensures a long product life and an enduring source of home comfort. The fire tube heat exchanger optimizes heat transfer, which maximizes efficiencies.
Maximum VALUE
The Vmax includes a built-in primary loop, circulator and high-energy spark ignition as standard features. The Vmax is competitively priced, which makes it unmatched in the industry.
Maximum VERSATILITY
The Vmax features universal flue connections and is easily converted from natural gas to propane. The Vmax is available in a PLUS version and is engineered to make installation, setup and service easy.



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