Frequently Asked Questions

Categories: Fuel Polishing, General, Manifolds, Oil Change, Pumps, Separ Filters (scroll down for more FAQs)


Fuel Polishing - How can we know that diesel is flowing from inlet to outlet? Is there a minimum reading on the vacuum gauge to indicate that?

Fuel Polishing - How do I prime the fuel system?

Fuel Polishing - How far away from the installation point of the FPS are the tanks?

Fuel Polishing - How high above the bottom of the deepest tank should the FPS be installed?

Fuel Polishing - How long should I run the polishing cycle?

Fuel Polishing - How long should the suction and return line be?

Fuel Polishing - How long will the element last? How often should I replace the element?

Fuel Polishing - I have installed four 4 filters on 2 haulers and 2 loaders. The filters get stuck very easily. Should we clean the filter more often?

Fuel Polishing - I want to put a fuel polishing system on my boat. What system do I need?

Fuel Polishing - Is there Dry Run protection for the pump?

Fuel Polishing - What is the high pressure alarm?

General - Do you have a cage code?

General - What are your NATO Stock Numbers?

General - What is the Warranty Policy?

General - Where can I find instructions for a specific product?

Manifolds - Is corrosion an issue since there are 3 different types of metal on the manifold?

Oil Change - Do I have to worry about cross-contamination of my engine and transmission oil?

Oil Change - I changed the impeller but now my Oil Change System only works in one direction (usually pumps warm oil out only). What do I do?

Oil Change - I have a boat and want to buy an Oil Change System. Which one do I need?

Oil Change - I have an Oil Change System with impeller pump (OP-702) and would like to purchase a replacement pump. What do I buy?

Oil Change - I have an OP-6 Oil Change System and my pump is not working any longer. What do I do?

Oil Change - What size hose should I use to connect my oil change system?

Oil Change - What size oil pan fitting do I need to hook up an oil change system and where can I get one?

Oil Change - Why does my OP-700 series, GP-700 series, GP-3010 series, or GP-3020 series Oil Change System not pump oil when the pump is running?

Pumps - Are the GP-311/312 fixable with spares?

Pumps - Can I pump fuel with your pumps?

Pumps - Can I run your pumps in reverse?

Pumps - Can your pumps be mounted in any orientation?

Pumps - Do I need to prime the pump before use?

Pumps - How do I choose an impeller pump?

Pumps - How many gallons per minute flow thru a 12V OP-6?

Pumps - I have an OP-4. Can I still get parts?

Pumps - I just purchased a 24V GP-311 pump. What size fuse and wire should I use?

Pumps - I lift the switch but my OP-6 pump does not turn on. What do I do?

Pumps - My pump is not pumping or pumps in only one direction?

Pumps - What do I do if my pump is making a high pitched noise and not pumping?

Pumps - What do I do when my OP-6 pump does not work when the switch is activated?

Pumps - What is the duty cycle of the pumps?

Pumps - What is the vertical / horizontal discharge of the pumps?

Pumps - What makes Reverso impeller pumps better than competition?

Pumps - Will the pump handle debris coming from the oil pan or the fuel tank?

Separ Filters - How do I clean the clear bowl of a Separ Filter?

Separ Filters - How much torque do I use when tightening filter screws?

Separ Filters - How often do I need to change the lid gasket?

Separ Filters - I have installed four 4 filters on 2 haulers and 2 loaders. The filters get stuck very easily. Should we clean the filter more often?

Separ Filters - What is the advantage of the stainless steel element versus the normal/paper element?

Separ Filters - What is the correct way to tighten a Separ lid?

Separ Filters - What is the correct way to tighten the bowl screws?

Separ Filters - What is the water holding capacity of the Separ Filter?

Separ Filters - When should I backflush?

Separ Filters - When should I change the filter element?


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