Difficult to say but estimate R-4/6 minimum and possibly as high as R-10. Roughly the same as a grocery store insulation bag based on thickness and construction.

TOHONFOO Insulated Cover - PVBC Model - Pressure Vacuum Breaker Cover Insulated - Pipe Insulation - Nylon - 12x13 Inches - Protects from Severe Weather & Freezing

TOHONFOO Insulated Cover - PVBC Model - Pressure Vacuum Breaker Cover Insulated - Pipe Insulation - Nylon - 12x13 Inches - Protects from Severe Weather & Freezing

Q: Would the inside material allow a light bulb to be used without catching fire, etc?

The material is a foil product. It should be okay to use a light bulb.

Q: Do i need to put towels or blankets? or just the cover is enough?

Not necessary or room enough for towels but good idea to use some bubble wrap to seal any gaps in the insulation cover. Be sure to secure cover with zip ties or string to prevent possibility of wind blowing off backflow valve.

Q: Which color is less likely to fade in the sun?

They all fade after just one winter.

Product ID: 488913059

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Details

Material
Nylon
Brand
TOHONFOO
Item thickness
2.7 Inches
Recommended uses for product
Protecting
Product dimensions
33L x 30.5W

🔒Anti-theft secure locking

❄️Freeze-proof insulation

🛡️5-layer weatherproof shield

Frequently Bought Together

Backflow Preventer Insulated Pouch (5F) - Pressure Vacuum Breaker Cover - Winter Water Well Pump and Sprinkler Valve Insulation - Protects From Severe Snow and Intense Sun

Zurn Wilkins 1-720A 1" 720A Pressure Vacuum Breaker Assembly

NIBCO C436-010 1 MA ADAPTER

Description

🛠️ Protect your pipes like a pro—weatherproof, secure, and stress-free!

FREEZE BURST DEFENSE - Safeguards your backflow system from costly winter damage and extreme weather stress.
RELIABLE CUSTOMER SUPPORT - Responsive 24-hour service guarantees satisfaction and peace of mind with every purchase.
ULTIMATE 5 LAYER PROTECTION - Heavy-duty 600D Oxford fabric + cotton + PE silver coating for unbeatable insulation and waterproofing.
EFFORTLESS INSTALLATION SECURITY - Velcro straps, extra nylon ties, and lockable grommets keep your cover firmly in place—no wind or pets can steal it.
CUSTOM FIT FOR PRESSURE VACUUM BREAKERS - Tailored design ensures perfect coverage and maximum efficiency for your irrigation or sprinkler system.

The TOHONFOO PVBC Insulated Cover is a custom-designed, 5-layer insulated and waterproof pouch that protects pressure vacuum breakers from severe weather, freezing, and costly damage. Made with durable 600D Oxford fabric, cotton insulation, and PE silver-coated cloth, it features secure Velcro straps, nylon ties, and lockable grommets to ensure a snug, theft-resistant fit. Ideal for professional-grade irrigation and sprinkler systems, it offers peace of mind with reliable customer support.

Specifications

Manufacturer	TOHONFOO
UPC	768472181336
Part Number	PVBC
Product Dimensions	30.48 x 33.02 x 6.86 cm; 231 g
Item model number	PVBC
Size	13"W x 12"H
Colour	Beige
Item Package Quantity	1
Coverage	Protection from severe weather conditions, freezing, and bursting of backflow pipe systems
Included Components	Shade protector
Batteries included?	No
Batteries Required?	No
Item Weight	231 g

Have a Question? See What Others Asked

Would the inside material allow a light bulb to be used without catching fire, etc?

What is the R-value?

Do i need to put towels or blankets? or just the cover is enough?

Which color is less likely to fade in the sun?

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