The Toyotomi Fuse Temperature BS36UFF/OM-148/OM-180, part number 20476420, is a thermal safety fuse designed to protect select Toyotomi Toyostove oil-fired water heaters from overheating by interrupting electrical current when internal temperatures exceed safe operating limits. It is engineered to meet the original equipment specifications so it installs directly into the designated safety circuit location on compatible heater models without modification. By opening the circuit during an over-temperature condition, this fuse helps mitigate heat-related damage to internal components or fuel systems and supports safe operation of the appliance.
This temperature fuse is intended for replacement use when the original fuse has tripped, opened, or shows signs of wear, loss of continuity, or heat-related deterioration that prevents normal heater restart. Proper over-temperature protection is critical for preventing unsafe conditions, and replacing a blown fuse restores the heater’s safety cutoff function. Installation should be completed with the heater powered off and in accordance with the model’s service manual to ensure secure seating and correct integration with the safety circuitry.
What’s Included: One (1) Toyotomi temperature safety fuse for BS36UFF, OM-148, and OM-180 heater models.
Installation Limits: For replacement use only on specified Toyotomi oil-fired water heaters; install with the heater powered off and confirm correct placement per service documentation to maintain effective over-temperature protection.
Compatibility: Compatible with Toyotomi Toyostove heater models BS36UFF, OM-148, and OM-180 requiring the 20476420 temperature fuse for overheat safety cutoff.
Oil Miser 180, Fuse Temperature is located next to Electrode.
