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airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8395
Experience:  Furnace, A/C and heat pump specialist.
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I'm looking for a fuse for our hvac unit. it a littlefuse

Customer Question

i'm looking for a fuse for our hvac unit. it a littlefuse "E"
JA: Are you an HVAC professional?
Customer: no
JA: Do you plan on doing the work yourself?
Customer: yes, the fuse is blown, and i need to replace it, where can i get this fuse
JA: Anything else we should know to help you best?
Customer: no
Submitted: 2 months ago.
Category: HVAC
Expert:  airheatman replied 2 months ago.

THat is a 3 rather than and . It is a 3 amp fuse. Most hvac parts houses or auto parts store will have it

Expert:  airheatman replied 2 months ago.

If fuse is blown you need to determine why before replacing or it will blow again. Have you replaced thermostat or changed any low voltage wiring recently?

Customer: replied 2 months ago.
they were attempting to put an ecobee thermostat in, when they decided to put the old one back in service. the ac would not come on, found no control 24 vt down a the thermostat. checked the voltage at the transformer and we had 24 vac. found fuse on the card blown.
Expert:  airheatman replied 2 months ago.

OK, What happened was the wires were either put on wrong terminals r allowed to touch together and short the fuse. If wired correctly now all you need to di is grab a 3 amp fuse from auto parts, hvac supply house or place like Walmart and replace it.

https://www.walmart.com/ip/INSTALL-BAY-ATC3-25-ATC-Fuses-25-pk-3-Amps/31034094?wmlspartner=wlpa&selectedSellerId=2960&adid=22222222227020562506&wl0=&wl1=g&wl2=c&wl3=52428816975&wl4=aud-310687321802:pla-79507012815&wl5=9012943&wl6=&wl7=&wl8=&wl9=pla&wl10=113148446&wl11=online&wl12=31034094&wl13=&veh=sem