Heartland Owners Forum
http://manuals.heartlandowners.org
Landmark 365 User Guide V1.1.pdf
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Version 1.1, March 10, 2016
Water Filter
Landmark 365 units come with a single-stage water filter located behind the Universal Docking Center
(UDC). To gain access, you will need to remove the rear wall of the pass-through basement storage,
next to the UDC. Many owners have modified that panel to allow easier access to the filter and water
pump.
Most water filters that handle all water coming into the coach, as this one does, should be changed at
least once every 6 months and perhaps every 3 months, depending on the quality of water coming into
the coach. Particulates in the water supply at many campgrounds can clog the filter, reducing water
flow. It’s also important to change the filter to prevent bacterial buildup.
Water Filter Winterization
When winterizing the coach, the filter element should be removed from the canister before introducing
antifreeze or compressed air.
Initial Installation
The water filter element is not installed in the canister when Heartland ships the RV to the dealer.
While it’s possible the dealer may have installed it for you, you should check. Since the dealer doesn’t
always know when or how soon you’ll be using the coach, they may have left it to you to install.
Tips When Changing the Filter Element
First of all, turn off the campground water faucet and/or the water pump. Open a faucet in the coach to
relieve pressure. Then use the canister tool to loosen the canister. Unscrew the canister. As it’s pretty
easy to spill water when opening the canister, placing a bucket underneath, or surrounding the canister
with a trash bag while opening it will catch any water spills.
