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Re: Eemax "marine/rv" Tankless Water Heater - EX2412M and insuarnce?
I installed the new Low Pressure tankless water heater from Excel and it works like a champ.
I researched and found out it is outfitted with a magnetic water flow sensor , this allows the unit to work at low water pressure, ...other tankless gas water heaters rely on the outdated rubber diaphragm scheme , that pushes a pin that actuates a microswitch, etc.
Pressures of the order of 20 psi are needed to move the rubber diaphragm on other older and cheaper units and if other fixtures are opened in your sailboat the pressure drop makes them turn off.
The magnetic flow sensor has no moving parts and starts up with only 2 psi !! I am really happy now.
You can get it at etailers like eBay and Amazon , I got mine at excelonlinestore d0T C0M cause they had free shipping