While you wait for answers, we may have found some information which could help you.
Click here for Rangemaster 55 Oven Turn
How to keep a rangemaster 110 gas top from not letting me do?
Bottom oven won't stay on unless you keep holding on to button ?
Ignition Fault?
Convert lpg to electric Rangemaster cooker?
Retrieving object behind Rangemaster cooker?
Rangemaster110?
howtomendit.com for free repair help, information and advice.
