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Adding Ball Valve to 2008 Fleetwood Terra Heater Line - Safe?
Ac Refrigeration Medium 1-2 hours 69 👍

Adding Ball Valve to 2008 Fleetwood Terra Heater Line - Safe?

I turned off my RV's cooling system and grabbed my wrench — ready to install a ball valve on my 2008 Fleetwood Terra's heater line but need safety confirmation first. I've been battling what I suspect is a faulty electric heater valve that may not be closing completely when I switch to A/C mode.

The electric valve is expensive to replace and located in an incredibly awkward spot that's driving me crazy to access. I've tried everything - heat detectors, feeling around the lines, you name it - but I still can't definitively tell if it's actually sealing off hot coolant flow when the A/C is running.

Here's my question: Can I safely install a simple manual ball valve in the heater line before the existing electric valve? I'm hoping this would let me manually shut off coolant flow to the heater core when using A/C, essentially doing the job the electric valve should be doing. Will this cause any problems with the cooling system or damage anything? I just need to know if this is a safe solution before I start cutting into lines. …more
RV LiFePO4 Battery Upgrade Guide: Converting from Lead Acid Golf Cart
Solar Batteries Medium Research and installation time 68 👍

RV LiFePO4 Battery Upgrade Guide: Converting from Lead Acid Golf Cart

After three years with my 2003 Fleetwood Terra, these dual 6V golf cart batteries only die when it's above 85°F outside — perfect charge retention in cooler weather. I've been reading about LiFePO4 lithium batteries and wondering if I should make the switch. We're not full-timers - probably use the RV maybe 6-8 times per year for weekend trips and the occasional week-long vacation.

I keep hearing about the benefits of lithium, but I'm honestly not sure if it makes sense for our situation. My current lead acid batteries seem to need replacing every couple years, which is getting expensive. But I'm also worried about compatibility issues with my older Terra's charging system. Would really appreciate some guidance on whether this upgrade is worth it for someone with my usage pattern and RV age! …more
Robert, RV Mechanic
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