At a Glance
At a Glance
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Canarm - Fuse Holder for Heated Waterer
Replacement fuse holder designed specifically for Canarm heated waterers. This essential component provides reliable electrical protection in case of overload or short circuit.
Compatible with standard Canarm models, it is easy to install and maintains the safety of your watering system.
Genuine replacement part recommended for existing installations or emergency repairs during winter.
Canarm - Fuse Holder for Heated Waterer
- Regular price
- $22.95
- Sale price
- $22.95
- Regular price
-
Canarm - Fuse Holder for Heated Waterer
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Frequently Asked Questions
What fuse does the Canarm HLW-27 fuse holder use, and where can I get replacements?
The Canarm HLW-27 fuse holder is designed for a standard automotive-style blade fuse (also called ATO/ATC fuse). The correct fuse rating depends on your waterer's wattage:
- H50 / 300W waterer: Typically a 5A fuse on the 120V control circuit
- H100 / 500W waterer: Typically a 5A fuse on the 120V control circuit
Always verify the correct fuse rating on the data plate or in the installation manual for your specific model before replacing. Never substitute a higher-amperage fuse — oversizing a fuse defeats its protective purpose and creates a fire hazard.
Replacement blade fuses are available at any automotive parts store, hardware store, or farm supply outlet. They are a standard item.
Why would the fuse blow on a Canarm heated waterer?
A blown fuse in the Canarm HLW-27 holder indicates an electrical overcurrent event in the waterer's control circuit. Common causes:
- Short circuit in the wiring: Damaged insulation (often from rodent chewing) can allow two conductors to contact, blowing the fuse immediately upon power-up.
- Failed thermostat drawing excess current: A shorted thermostat can draw more current than the circuit is rated for.
- Water intrusion: Moisture inside the control box can create a ground path, tripping the fuse or GFCI.
- Transient voltage spike: A lightning strike or utility power event can blow fuses throughout the barn.
Important: If the replacement fuse blows immediately or within minutes of installation, do not keep replacing fuses — there is an underlying fault that must be identified and repaired first. Repeated fuse replacement without diagnosing the root cause can result in wiring damage or fire.
