Will 800w Heater Work In RV Pass-Through Storage Bay To Keep Plumbing And Lithium Batteries Warm?
Published 09/30/2025
Question:
My RV has a large pass-through storage bay with plumbing and lithium batteries. Would the 800W XH27FR be overkill?
asked by: Rachel
Expert Reply:
Not overkill at all, Rachel. That’s exactly where the 800W heater # XH27FR shines - large, shared spaces where you’ve got both plumbing and batteries to protect. It cycles on at 40°F and off at 55°F, so it won’t waste energy heating beyond what’s needed. Just make sure the thermostat on the back has good airflow so it senses correctly.
Is that bay insulated at all, or open to outside temps? That’ll help determine which heater you need.
Product Page this Question was Asked From
Xtreme Heaters RV Basement and Boat Bilge Heater with Quick-Release Bracket - Large - 800 Watts
- RV Heaters
- Electric Heater
- 110 Volts
- Winterization
- 5th Wheel
- Motorhome
- Travel Trailer
- Xtreme Heaters
more information >
Featured Help Information
Instructions
Continue Researching
- Q&A: Replacement 16 Inch Wheel Recommendation for Lionshead Lynx Silver Wheel with 8 Lug Pattern
- Article: How to Measure for Travel Trailer and Fifth Wheel Steps
- Q&A: Can Fogatti InstaShower 9 Tankless Water Heater Fit 2025 Brinkley G-3250
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Q&A: How Much Does The Watchdog Surge Protector 30A HU84ZR Weigh?
- Q&A: Wiring A 12v Water Pump To A 7-Way Connector
- Q&A: Replacement for Older Go Power PWM-30 Solar Controller
- Q&A: How To Choose The Correct Toilet Flange Replacement For Your Trailer
- Article: Towing a Trailer? Let's Talk About Brake Controllers
- Q&A: Difference between Tekonsha T-One and Curt T-Connector Wiring Harness for 2007 Toyota Sienna