Robertshaw FDO Thermostat ? 150 to 550F temperature range ? 7/16? (1.1cm) tube inlet and outlet rear ? For Garland broiler model series 40/50R, 40/50S ? Garland nos. 1017502, 1017598, G03145-48 ? For Garland oven model series G280, GV280, H280,H280, 40/50, G380 ? Garland nos. 1017502, 1017598, G03145-48 Thermostat FDO-1, 3/16 X 14-3/4, 48 for Garland - Part# G03145-048 Fits Models: M100R, M100RC, M100S, M100T, M100XR, M100XRC, M100XRCM, M100XRM, M100XS, M100XT, M105R, M105RC, M105S, M105T, M105XR, M105XRC, M42R, M42RC, M43-1R, M43-1RC, M43-3R, M43-3RC, M43RC, M44R, M44RC, M45R, M45RC, M46R, M46RC, M47-45R, M47-45RC, M47-51R, M47-51RC, M47-68R, M47-68RC, M47R, M47RC, M48-51R, M48-51RC, M48-68R, M48-68RC, M48R, M48RC, M54R, M54RC, M60R, M60RC, M60S, M60T, M60XR, M60XRC, MS42-6R, MS42-6RC, MS42-6RCE, MS42-6RE, MS42R, MS42RC, MS42RCE, MS42RE, MS43R, MS43RC, MS43RCE, MS43RE, MS44R, MS44RC, MS44RCE, MS44RE, MS54R, MS54RC, MS54RCE, MS54RE, MST42-6R, MST42-6RC, MST42-6RCE, MST42-6RE, MST42R, MST42RC, MST42RCE, MST42RE, MST43R, MST43RC, MST43RCE, MST43RE, MST44R, MST44RC, MST44RCE, MST44RE, MST45R, MST45RC, MST45RCE, MST45RE, MST46R, MST46RC, MST46RCE, MST46RE, MST47-51R, MST47-51RC, MST47-51RCE, MST47-51RE, MST47-68R, MST47-68RC, MST47-68RCE, MST47-68RE, MST47R, MST47RC, MST47RCE, MST47RE, MST54R, MST54RC, MST54RCE, MST54RE, S28, S284, S286, S288, ST28, ST284, ST284-RCE, ST286, ST286-RCE, ST288 Product Info: ( FDO-1 ) ( Temp 150-550 ) ( Bulb 3/16 X 14-3/4), ( Cap 72 ) ( 7/16 CCT In/Out Rear ), ( Dial Only A3700, # 221398, Insert Only A3701, WD-115, # 221399 ), (Black Dial w/ Insert A254, # 221009, 1/18/08 Changed from 48" Cap to 72", Garland, Broiler S/N 11151 and After: SR1-40ER, SR1-40R, SR1-50R. Oven Series: 40/50 (Except 2-40/50), 40R, G280 (Except, G280-2), G380, H280, RC, ST286, Master Series Ovens {M--R (E) /RC (E). /CENTER