Lochnivar Corp.'s Hydronic Heating Tour will travel the Northeast in April and early May featuring the Solution and Knight boilers. Visitors will receive a hands-on demonstration of the company's hot water solutions in the Demonstration Van, which is equipped with two full-size Knight 105,000 Btu/hr. models (fully piped and vented), one Knight 285,000 Btu/hr. model cutaway, and a Solutions boiler.

Remaining tour dates are:

• April 10-14, Wallace Eannace in Plainview, N.Y.

• April 17-21, central and western Massachusetts

• April 24-28, FIA Inc. in Woburn, Mass.

• May 1-12, Distributor Service Inc., Minoa, N.Y.