Verify the part number against your furnace's data plate or parts manual

replacing a brittle or carbon-tracked 88A12 wire often restores system reliability without requiring a full board replacement

A degraded ignition wire often causes intermittent "lockout" codes or delayed ignition

Its robust diaphragm construction resists fatigue

preventing potential equipment damage and ensuring system integrity

Johnson Controls A19AGA-37 Utility Thermostat Els PW 17895 Verify the part number againstUtility Thermostat, 120 208 240 Vac, 40 120 Degree Temperature Range, 30" Capillary Length, SPST Open Low, Remote Bulb, Automatic Reset, No Enclosure A19AGA 37 is identical to A19AGA 37C