Can this be used on a standard yard waterhose? Can the pressure be adjusted to a low and/or off level?

Yes, standard water hose. No, pressure cannot be adjusted. You can add a shutoff valve before the pressure valve if you want to adjust the volume flow.

What size are the fittings? 1/2" or 5/8" ?

Neither, they are the same size that will fit any outside faucet or garden hose. According the American National Standards Institute, garden hose thread--GHT--has an outside diameter of 1.0625 inches with 11.5 threads per inch.

after 5 years this has started to leak between inlet and outlet. is it repairable or just throw away

No, you don't need to throw it away unless it is badly corroded and the thread part is cracked or you are so rich and want to throw money away. Any female-gender garden hose-type connector has a o-ring gasket in it, and you need to replace it once every few years or when it leaks. Most hardware stores carry the replacement gaskets and they are pretty cheap, several pieces a dollar and it is very easy to replace it.

I live in an apartment and the pressure is often low when they're watering the lawns. What is minimum input pressure for 40 lb regulated output?

Regulating your water won't help. You'd have to take that up with management about the sprinklers. The issue may be that they're using 1" or larger pvc pipe for the sprinklers which means there's a pressure drop because there's not enough water flow to support it. they could contact the water company to adjust the pressure regulator for the main water line which should support the demand for the sprinklers.

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Camco (40055) RV Brass Inline Water Pressure Regulator- Helps Protect RV Plumbing and Hoses from High-Pressure City Water

Product ID: 262466867

Details

Brand
Camco
Exterior finish
Antique Brass
Inlet connection size
0.75 Inches
Item dimensions L x W x H
25 x 25 x 25
Material
Brass

💧Maintains steady 40-50 PSI water pressure

🔩Durable lead-free brass construction

🛠️Standard 3/4" garden hose threaded connections

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Description

🚐💧 Keep your RV flowing smooth — pressure perfect, worry-free!

UNIVERSAL FIT - 3/4" threaded inlet and outlet for seamless hookup
PREMIUM LEAD FREE BRASS - Built tough for longevity and safe drinking water
PROTECT YOUR INVESTMENT - Prevents hose failure and plumbing damage, extending RV life
PROVEN OUTDOOR DURABILITY - Patented design trusted since 1966 for rugged outdoor use
CONSISTENT PRESSURE CONTROL - Safeguards your RV plumbing with a reliable 40-50 PSI flow

The Camco 40055 Brass Inline Water Pressure Regulator is a compact, lead-free brass device designed to protect RV and boat plumbing from high-pressure city water by maintaining a safe, consistent pressure of 40-50 PSI. Featuring standard 3/4" garden hose threaded connections and a durable, outdoor-ready design, it prevents hose failures and plumbing damage, ensuring longer equipment life and peace of mind on every adventure.

Specifications

ASIN	B003BZD08U
Brand Name	Camco
Connector Type	Coupling
Customer Reviews	4.7 4.7 out of 5 stars (22,761)
Exterior Finish	Antique Brass
Global Trade Identification Number	00014717400558
Included Components	Water Pressure Regulator
Inlet Connection Size	0.75 Inches
Inlet Connection Type	Threaded
Item Dimensions	25 x 25 x 25 millimeters
Item Type Name	Camco RV Brass Inline Water Pressure Regulator- Helps Protect RV Plumbing and Hoses from High-Pressure City Water, Lead Free (40055)
Item Weight	1.8 Ounces
Manufacturer	Camco
Manufacturer Part Number	40055
Manufacturer Warranty Description	2
Material Type	Brass
Maximum Pressure	50 Pound per Square Inch
Model Number	40055
Number of Ports	1
Outlet Connection Size	0.75 Inches
Outlet Connection Type	FNPT
Size	No Size
Specification Met	NSF/ANSI 372, CSA
Thread Size	3/4 inches
Thread Type	3/4" Garden Hose Thread
UPC	014717400558
Unit Count	1 Count
Valve Type	Globe Valve

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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117.63 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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