Yonish Heating and Cooling

D J Yonish, Inc

DJ Yonish, Inc.
Yonish Heating and Cooling
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Ultra Gas Boiler


Handles for easy handling and adjustable feet for easy placement and leveling

4-digit electronic display with programming buttons and data port to make entering and receiving data easy

Over 92% AFUE and up to 98% for low temperature application

Attractive design for installation in any setting

Gas valve, blower and venture technology that constantly maintains optimal air and fuel ratio at all firing rates

Features PdH Technology that delivers Precision Hydronic heating and hot water needs while maximizing efficiency

Weil-McLain Ultra Boiler


Gas Wall-Hung Boiler


95% AFUE Efficiency

Low Power Consumption

Whisper Quiet with a

Fully Enclosed Housing

Clean Combustion

Natural Gas or Liquid Propane

Space Saving

Free selection of

Installation location