Thetford Replacement Cooker I-Drive Knob Black & Silver View cart “THETFORD SC200 REED SWITCH WHITE” has been added to your cart. $25.00 For spinflo ovens, knob is approx 33mm diameter on top, 40mm at base. Thetford Replacement Cooker I-Drive Knob Black & Silver quantity — OR — Add to cart Categories: PARTS, STOVES-OVENS-GRILLS Description Description For spinflo ovens, knob is approx 33mm diameter on top, 40mm at base. Related products Door Retainer Catch for Caravan Motorhomes $31.00 Add to cart Swift Sargent Caravan RV Control Panel EC800CP 2019+ $1,495.00 Add to cart AL-KO soft ball for tow balls, protect your legs as well as the tow ball $10.00 Add to cart 25m Caravan/Motorhome Electric Extension Lead $108.00 Add to cart