TY - RPRT TI - Evaluating the off-cycle losses of a gas-fired, power vented furnace employing post purge AU - Liu, Stanely T AU - Kelly, George E AU - Terlizzi, Charles P PY - 1992 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 4908 DO - 10.6028/NIST.IR.4908 ER -