Product Description
Roy-L-Heat Thermostat Controlled Preferred Vet Supply Calf Warmer | RH5000
Every calf or lamb dropped in the bitter cold of winter stands a chance of losing valuable body heat. To prevent the loss of those newborns' lives, and the income they represent, get one of the Roy-L-Heat RH5000 calf warmers.
Hot air circulates around the calf to raise body temperature and to dry out the calf. The head boot allows the calf to breathe fresh air, preventing pneumonia causing moisture from entering the calf's lungs as it is warmed up.
The calf warmer box is made of tough, high-density polyethylene. Its interior size provides adequate space for calves to lie down and to stand up. The "attic vent" allows excess moisture to escape. A 110-volt heater circulates body temperature air around the animal. The heater is protected in a separate enclosure attached to the rear of the box and easily removes to make rinsing and disinfecting simple.
This is the preferred animal warmer by vet suppliers and ranchers. Backed by a 2-year manufacturer warranty.
Prevent hypothermia with Smucker's made in America, hand assembled calf warmers!
Features:
- Designed to help save hypothermic calves
- Thermostat-controlled heat for consistent, repeatable warming
- Continuously running fan circulates heat and moisture evenly
- Moisture venting helps manage wet calves
- Head boot allows selection of warmed air or fresh air for breathing
- Built-in overheat protection for added safety
- Preheats in 5–10 minutes for quicker use
- Typical calf warm-up time: 30 minutes to 2 hours (per manual)
- Easy to disinfect and rinse out for fast cleanup
Specifications:
- "Attic" Vent to let out moisture from wet calf
- Thermometer
- Head Boot
- Cable Bolt
- Floor Grate
- Hot Air Circulation
- 110v MediHeat Thermostat controlled Heater
- Heater box enclosure
- Protective cover to access Heater controls

FAQs:
What is the RH5000 designed for?
The Smucker RH5000 calf warmer is specifically designed to help save hypothermic calves.
How long does it take to warm a calf?
Most calves warm in 30 minutes to 2 hours, depending on how cold the calf is and humidity/wetness conditions.
Should I preheat the RH5000?
Yes—preheat for 5–10 minutes before placing the calf inside.
What temperature should I aim for inside the box?
Keep the box temperature as close to 100°F as possible when conditions allow, while monitoring the calf.
Should I run the heater on Low or High?
Run on High and control temperature with the thermostat.
What is the head boot used for?
A: It allows the calf to breathe warmed air inside the unit or fresh air if needed. Warm, dry air can dry out a newborn calf’s lungs.
What if the calf is wet?
Open the vent to release moisture and help dry the calf.
What happens if the heater overheats?
The inlet air overheat protection shuts the heater off if overheating occurs.
How do I reset it after an overheat shutoff?
Turn controls off, unplug, inspect inlet, wait 5–10 minutes, then restart on Low or High.
Check out the Smucker R-L-Heat RH5000 Calf Warmer Blog to learn more!

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