Unitary Products Group Multi-Position Natural Gas P4HU AND G8T MULTI-POSITION (80%)NATURAL GAS FURNACES (STYLE A & B)INCLUDING LOW NOX (PG. 7)Supersedes: 035-15831-005 Rev. A (0304) 035-15831-005 Rev. B (0404) HVAC SERVICE PARTS 1 of 8 Figure 1: MULTI-POSITION NATURAL ...