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Here's what I did for heating my RV w/o using the batteries.
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Portable Heat for Dry Camping
Michael Hickey [email protected] 06/28/2011
When I'm dry camping, awake and present, I use a Mr Heater Portable Buddy (Model
No: MH9BX). It uses no electricity from my solar powered 230 Amp battery pack.
http://rvservices.koa.com/rvinformation/rvmaintenance/rv-converters-and-amp-draw.asp
says the house furnace draws 10-12 amps, which is too much for my system to sustain.
Mr. Heater easily heats the bathroom and the 'house' of our 200 sq. ft. R-Vision, Trail
Sport 25S. To focus the heat in the living area, I do close the curtain to the bed area.
When sleeping, I use the house furnace (55F). I follow Mr. Heater's safety notice.
When the daytime highs fall below 50F, I move to a warmer location, South or to a
lower elevation. Ditto, when the night time lows get into the teens.
I soon found that the little 1 lb propane bottles lasted 2-3 days, were expensive and
generated lots of waste. A 5-20 lb refillable propane tank can be used but must be
outside, Mr. Heater must be inside. Mr. Heater needs high pressure. The TT propane
piping is regulated to a low pressure. Time for a solution.
How to hook up to a larger propane tank? I bought a Mr Heater 12' Hose, Model No:
F273702 and a Manchester 5 lb propane tank, part no. 10054.3. I ran the Mr. Heater
hose through the exterior shower box and mounted the small 5 lb tank on the TT 4”
square rear bumper below the shower box. I routed the hose to the bathroom.
I added 2 screws in the bathroom to hang Mr. Heater during shower time. During travel,
the tank end of the hose is stored in the shower box and the box is locked.
Mr. Heater moves as the hose allows. During reading and movie time, he heats the living
area. During travel time, he gets tucked safely away in the bathroom. When not needed
he just fits, height wise, in the outside storage compartment which is under the bed.
What to do when the 5lb tank runs dry? Hook it to a 1 lb bottle, outside. I purchased the
the Rankam Metal Products, 20-1 lb Adapter (GR4039-014943-ADPR) at Sam's Club
or eBay, Mr. Heater F276172 1-Pound Disposable Propane Tank Refill Adapter, and
Mac Coupler Propane Bottle Caps, MacCaps. These adapters allow me to fill a 1 lb
bottle and switch my propane source to that bottle when the 5 lb tank goes empty.
Mr. Heater, Portable Buddy Mr. Heater 12' Propane Hose Assembly
Manchester 5 lb propane tank Exterior RV shower box
Rankam Metal Products, 20lb to 1lb adapter Mr. Heater 1lb bottle refill adapter
Mac Coupler Propane Bottle Cap, MacCaps 20lb to 1lb adapter on 1lb bottle