Hi, I just ordered a shurflo 4008 pump and wondered how this would be installed in conjunction with the pump? does the water go into this unit first ?

It is a Pre charged Expansion tank, it can be located after the pump' any where in the water system. It has a drawdown of 8-10oz.. On my RV trailer.

what is the maximum pressure?

All are guessing at operating function. 1st item is a accurate guage to measure/record pump on and off pressures. After installing accumulator, fill system up and flush air from lines. Turn on pump and recheck/record on/off pressures. Set pressure on new accumulator to 2 psi below the turn on of the pump. Check 2 or 3 times by open faucets. 2 psi below the pump cut in pressure. This is the correct procedure setting for any pressure accumulator with a bladder.

Will this work with a seaflow 12v 4.3lpm water pump?

My boat is plumbed with braided hose. My favorite fresh water piping is PEX, but I am not planning to change at this point. The pump is a 4.5GPM 12V serving a total of four sink fixtures plus two heads and a shower. Hope this helps.

what is the size of this tank and what material it's made of?

The tank capacity is 21oz, or 1/6 gal.

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PENTAIR SHURFLO 182-200 Pre-Pressurized Accumulator Tank, 125 PSI, 24 oz

PENTAIR SHURFLO 182-200 Pre-Pressurized Accumulator Tank, 125 PSI, 24 oz

Product ID: 3930806

Details

Brand
SHURFLO
Color
Black
Global Trade Identification Number
Item Weight
16 ounces
Manufacturer
Shurflo by
Material
Nylon

💧24 oz water capacity

🔋Reduces pump cycling & battery drain

⚙️125 PSI max pressure

28617 som

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Description

💧 Keep your water flowing flawlessly—because your pump deserves the best!

SILKY SMOOTH FLOW - Eliminates water pulsation for a steady, noise-free faucet experience.
BUILT FOR ADVENTURE - Rugged design perfect for RV, marine, industrial, and off-grid setups.
PUMP LIFE MAXIMIZER - Cuts pump cycling and pressure spikes to extend your system’s lifespan.
PRE CHARGED PRECISION - Factory pre-pressurized at 30 PSI for instant, reliable pressure support.
VERSATILE PRESSURE RANGE - Operates seamlessly between 20-125 PSI to fit diverse water systems.

The PENTAIR SHURFLO 182-200 is a compact, pre-pressurized accumulator tank designed to stabilize water pressure and reduce pump wear. With a 24 oz capacity and support for pressures up to 125 PSI, it smooths water flow, minimizes noise, and conserves battery power—ideal for RV, marine, and industrial water systems.

Specifications

ASIN	B000N9VF6Q
Best Sellers Rank	#52,197 in Automotive ( See Top 100 in Automotive ) #53 in RV Water Pumps & Accessories
Brand Name	SHURFLO
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (1,711)
Global Trade Identification Number	00752324009626
Included Components	Great Product
Item Dimensions L x W x H	9.1"L x 4.8"W x 9.1"H
Item Highlight	Pre-Charged Diaphragm Tank Reduces Pump Cycling, Water Pulsation, Pressure Spikes, Noise and Battery Consumption
Item Type Name	Great Product
Item Weight	16 ounces
Manufacturer	Shurflo by Pentair
Manufacturer Part Number	182-200
Manufacturer Warranty Description	1-Year Manufacturer
Material Type	Nylon
Model Number	182-200
Number of Items	1
Power Source	Battery Powered
Product Style	Diaphragm
Specific Uses For Product	Industrial, Marine
UPC	752324009626
Unit Count	1 Count

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28617 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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