Air Conditioning and Refrigeration Training System

Air Conditioning and Refrigeration Training System

Marsoni

M251S

$4511.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Air Conditioning and Refrigeration Training SystemThis Hands On Air Conditioning and Refrigeration Training System provides a broad introduction to air conditioning and refrigeration systems, including everyday operation, troubleshooting and repair issues, refrigerant types and applications, and important refrigerant safety practices. The course is a great overview for HVAC maintenance, repair and service people who are at entry level, or at a higher experience level. And dives into how to inspect,

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Blue isn't that easy to see in the yard White charges with bright light/UV and is truly a game changer for night-time fetch. Both dogs clearly favor it. Orange is easy to see in the grass at day They're 3 different weights as well, so double trial. I prefer medium for my big dogs, though light performs well too The orange is HEAVY and unyielding. Do NOT throw it with a ball thrower. It could damage your house or knock your dog out. Seems tough though.

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Reviewed in the United States on January 16, 2026

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Spo509

Cuba, US

★★★★★ 3

Not as good as chuck it anymore

Style: Fetch Balls (Pack of 10), Size: 2.5 inch

I have bought these before and the where just like the chuck it balls. These are not those balls. The are lighter and my dog has already cause damage to one

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Reviewed in the United States on March 16, 2026

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Bozeman, US

★★★★★ 5

Dog hasn’t destroyed the ball yet!

The ball that comes with this is amazing. I have a 1 yr pitty that destroys everything! But this ball she has not been able to rip apart. I bought extra balls I was so impressed. She loves it too, takes it to bed with her.lol

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Reviewed in the United States on April 15, 2026

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Liz Acosta

Los Angeles, US

★★★★★ 1

Cheaply made , waste of money

Cheap !! Lousy product did not fling at all. Lost the ball almost immediately since it went back instead of front. Do not recommend

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Reviewed in the United States on December 20, 2025

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vagcharley

Massapequa, US

★★★★★ 3

So-so

Do not like this as much as previous one that broke after years. This one is cheap and sometimes the ball doesn't flip out well and doesn't pick up balls on the ground as easy but it does the job.

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Reviewed in the United States on May 6, 2026