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 battery consumption

⚙️125 PSI max pressure

₩213656

Duties & taxes included

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Elevate your water system game with smooth, silent, and smart pressure control!

SILKY SMOOTH FLOW - Eliminates water pulsation for a steady, noise-free faucet experience that feels premium.
ENERGY SMART DESIGN - Reduces pump starts, conserving battery power—ideal for off-grid and mobile lifestyles.
PRE CHARGED PRECISION - Factory pre-pressurized to 30 PSI with built-in diaphragm for instant, reliable pressure support.
PUMP LONGEVITY BOOSTER - Minimizes pump cycling and pressure spikes to extend pump life and cut maintenance costs.
VERSATILE PRESSURE RANGE - Operates seamlessly between 20-125 PSI, perfect for RV, marine, and industrial water systems.

The PENTAIR SHURFLO 182-200 is a compact, pre-pressurized accumulator tank engineered to stabilize water pressure and flow in freshwater systems. With a durable nylon diaphragm pre-charged at 30 PSI, it supports pressures up to 125 PSI, reducing pump cycling, noise, and battery drain. Perfect for RVs, marine, and industrial applications, it ensures efficient, reliable water delivery while extending pump life.

Specifications

ASIN	B000N9VF6Q
Best Sellers Rank	#75,161 in Automotive ( See Top 100 in Automotive ) #65 in RV Water Pumps & Accessories
Brand	SHURFLO
Brand Name	SHURFLO
Color	Black
Customer Reviews	4.6 out of 5 stars 1,711 Reviews
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	Nylon
Material Type	Nylon
Model Number	182-200
Number of Items	1
Power Source	Battery Powered
Product Dimensions	9.1"L x 4.8"W x 9.1"H
Product Style	Diaphragm
Specific Uses For Product	Industrial, Marine
Style	Diaphragm
UPC	752324009626
Unit Count	1 Count

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