UJD20701 Thermostat Housing Cover---Gas---Replaces T20317

Replaces number T20317

Fits: 1020, 1520, 1830, 2020, 2030, 210C, 2130, 2440, 2510, 2520
Fits: 300, 300B, 301, 302, 302A, 310, 310A, 310B, 400, 401, 401B, 401C, 401D, 410