3745-50-25 Variance to be classified as a boiler.

In accordance with the standards and criteria in rule 3745-50-10 of the Administrative Code(definition of "boiler"), and the procedures in rule 3745-50-26 of the Administrative Code, the director may determine on a case-by-case basis that certain enclosed devices using controlled flame combustion are boilers, even though they do not otherwise meet the definition of boiler contained in rule 3745-50-10 of the Administrative Code, after considering the following criteria:

(A) The extent to which the unit has provisions for recovering and exporting thermal energy in the form of steam, heated fluids, or heated gases;

(B) The extent to which the combustion chamber and energy recovery equipment are of integral design;

(C) The efficiency of energy recovery, calculated in terms of the recovered energy compared with the thermal value of the fuel;

(D) The extent to which exported energy is utilized;

(E) The extent to which the device is in common and customary use as a "boiler," functioning primarily to produce steam, heated fluids, or heated gases; and

(F) Other factors, as appropriate.

Eff. 1-30-86; Replaces old 3745-50-313, eff.12-7-04
Rule promulgated under: RC 119.03
Rule authorized by: RC 3734.12
Rule amplifies: RC 3734.12
R.C. 119.032 review dates: Exempt