We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

MUELLER Pressure Relief Valve: Straight-Thru, 70 psi to 450 psi, 3/8 in Male NPT - Refrigeration Pressure Relief Valves
MUELLERRefrigeration Pressure Relief Valves

MUELLER Pressure Relief Valve: Straight-Thru, 70 psi to 450 psi, 3/8 in Male NPT

The MUELLER Pressure Relief Valve: Straight-Thru is a refrigeration pressure relief valve designed for A2L-compatible systems. It features a pressure range of 70 psi to 450 psi and connections of 3/8 in Male NPT and…

SKU 3G-OTH-72094

Also listed as: A15502450 · A 15502 450 · A-15502-450

Brand
MUELLER
Item
Pressure Relief Valve: Straight-Thru, 70 psi to 450 psi, 3/8 in Male NPT
Category
Refrigeration Pressure Relief Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MUELLER
Manufacturer Part Number
A 15502-450
Type
70 psi to 450 psi
Male NPT
3/8 in
Male Flare
3/8 in
A2L Compatible
Yes

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MUELLER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MUELLER Pressure Relief Valve: Straight-Thru is a refrigeration pressure relief valve designed for A2L-compatible systems. It features a pressure range of 70 psi to 450 psi and connections of 3/8 in Male NPT and 3/8 in Male Flare, identified by manufacturer part number A 15502-450.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MUELLER Pressure Relief Valve A 15502-450 used for?

The MUELLER Pressure Relief Valve A 15502-450 is used in refrigeration systems to automatically relieve excess pressure, protecting equipment from overpressure damage. It is designed for A2L-compatible systems, making it suitable for modern low-flammability refrigerant applications in commercial and industrial cooling.

What are the specifications of the MUELLER Pressure Relief Valve A 15502-450?

The MUELLER Pressure Relief Valve A 15502-450 is a straight-thru type with a pressure range of 70 psi to 450 psi. It has 3/8 in Male NPT and 3/8 in Male Flare connections. The valve is A2L compatible, meaning it can be used with mildly flammable refrigerants. The manufacturer part number is A 15502-450.

Where to buy the MUELLER Pressure Relief Valve A 15502-450 worldwide?

You can source the MUELLER Pressure Relief Valve A 15502-450 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine MUELLER components for refrigeration systems.

How to install the MUELLER Pressure Relief Valve A 15502-450?

Install the MUELLER Pressure Relief Valve A 15502-450 by connecting the 3/8 in Male NPT and 3/8 in Male Flare ends to matching system ports. Ensure the valve is oriented for proper flow direction and that the pressure setting matches your system's maximum allowable pressure. Always follow standard refrigeration safety practices and local codes.

Used in

Common applications for MUELLER
Commercial refrigeration systems — Mueller steel shell filter driers for moisture and contaminant removal in liquid lines.
HVAC installations — Mueller sweat connection ball valves for flow control in refrigerant circuits.
Industrial process cooling — Mueller magnetic check valves to prevent backflow in refrigerant piping.
Refrigeration system maintenance — Mueller flare nuts and bushings for access valve connections.
Low-GWP refrigerant systems — Mueller A2L-compatible ball valves for use with low-flammability refrigerants.
Retrofit projects — Mueller filter driers and valves for upgrading existing refrigeration equipment.

MUELLER Products

3G Electric supplies MUELLER refrigeration pressure relief valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
MUELLER Refrigerant Ball Valve: 5 Cv, 1/2 in Female Swivel Right-Hand, Access Port, No Relief Port (MPN A 18947)
MUELLER
MUELLER Refrigerant Ball Valve: 5 Cv, 1/2 in Female Swivel Right-Hand, Access Port, No Relief Port (MPN A 18947)
MUELLER Refrigerant Ball Valve: 10 Cv, 5/8 in Female Swivel Right-Hand, Access Port, No Relief Port (MPN A 18948)
MUELLER
MUELLER Refrigerant Ball Valve: 10 Cv, 5/8 in Female Swivel Right-Hand, Access Port, No Relief Port (MPN A 18948)
MUELLER Refrigerant Ball Valve: 1 Cv, 1/4 in Female Swivel Right-Hand, Access Port, No Relief Port (MPN A 18945)
MUELLER
MUELLER Refrigerant Ball Valve: 1 Cv, 1/4 in Female Swivel Right-Hand, Access Port, No Relief Port (MPN A 18945)
MUELLER Refrigerant Ball Valve: 1 Cv, 1/4 in Male Sweat, Access Port, No Relief Port, -40°F to 300°F (MPN AQ17859)
MUELLER
MUELLER Refrigerant Ball Valve: 1 Cv, 1/4 in Male Sweat, Access Port, No Relief Port, -40°F to 300°F (MPN AQ17859)
MUELLER Refrigerant Ball Valve: 4 Cv, 3/8 in Female Swivel Right-Hand, Access Port, No Relief Port (MPN A 18946)
MUELLER
MUELLER Refrigerant Ball Valve: 4 Cv, 3/8 in Female Swivel Right-Hand, Access Port, No Relief Port (MPN A 18946)
MUELLER Refrigerant Ball Valve: 1 Cv, 3/8 in Female Swivel Right-Hand, Access Port, No Relief Port (MPN A 18949)
MUELLER
MUELLER Refrigerant Ball Valve: 1 Cv, 3/8 in Female Swivel Right-Hand, Access Port, No Relief Port (MPN A 18949)

More from MUELLER

View all MUELLER parts
MUELLER Pressure Relief Valve: Straight-Thru, 70 psi to 450 psi, 1/2 in Male NPT, 5/8 in Male Flare (MPN A 15504-450)
MUELLER
MUELLER Pressure Relief Valve: Straight-Thru, 70 psi to 450 psi, 1/2 in Male NPT, 5/8 in Male Flare (MPN A 15504-450)
MUELLER Pressure Relief Valve: Angle, 451 psi to 700 psi, 1/2 in Male NPT, 5/8 in Male Flare (MPN A 15514-650)
MUELLER
MUELLER Pressure Relief Valve: Angle, 451 psi to 700 psi, 1/2 in Male NPT, 5/8 in Male Flare (MPN A 15514-650)
MUELLER Pressure Relief Valve: Angle, 70 psi to 450 psi, 1/2 in Male NPT, 5/8 in Male Flare (MPN A 15514-450)
MUELLER
MUELLER Pressure Relief Valve: Angle, 70 psi to 450 psi, 1/2 in Male NPT, 5/8 in Male Flare (MPN A 15514-450)
MUELLER Pressure Relief Valve: Straight-Thru, 451 psi to 700 psi, 3/8 in Male NPT, 3/8 in Male Flare (MPN A 15502-650)
MUELLER
MUELLER Pressure Relief Valve: Straight-Thru, 451 psi to 700 psi, 3/8 in Male NPT, 3/8 in Male Flare (MPN A 15502-650)
MUELLER Pressure Relief Valve: Straight-Thru, 451 psi to 700 psi, 1/2 in Male NPT, 5/8 in Male Flare (MPN A 15504-650)
MUELLER
MUELLER Pressure Relief Valve: Straight-Thru, 451 psi to 700 psi, 1/2 in Male NPT, 5/8 in Male Flare (MPN A 15504-650)