Thermostat - D1/D18, Type - D1/D18, Temp 100-250, Bulb 3/8" X 4-1/2",, Cap 48", 3/8" Mpt Stuff Box, Mount Front Ears,, Pilot Light #38-1068, ***If Dial Is Needed, You Can Use Ap# 221465 (Off-10-1) Or, Ap# 221003 (Off-250-60). Oem Now Nla. If Bezel Needed, Use Ap# 264088***, D1'D18 T'Stat, Dpst For Ac Operation, 4 Terminal, Used In Applications Requiring High Current., 10 Amp 480V Per Pole Resistive Load, 21 Amp 480V 2 Poles Resistive Load, 30 Amp 120/277V Per Pole Resistive Load, 7.2 Full Load Amp 120-277V & 42 Lra 120-277V, 250Va 120-277V (Pilot Duty)