Heatrae Sadia 95607095 Primary Circuit 3 Bar Expansion Relief Valve

Genuine Heatrae Sadia 95607095 Primary Circuit 3 Bar Expansion Relief Valve

The genuine Heatrae Sadia 95607095 Primary Circuit 3 Bar Expansion Relief Valve is a safety pressure relief component designed for selected Megaflo, SystemFit, Premier Plus, HI-MAX, and compatible heating and hot water systems.

This genuine replacement valve helps protect the primary heating circuit from excessive pressure build-up by safely relieving pressure when system limits are exceeded. Maintaining a correctly functioning expansion relief valve is essential for safe and reliable operation of sealed heating and hot water systems.

Manufactured to original Heatrae Sadia specifications, this 3 bar relief valve is designed for dependable compatibility and long-term performance.

Compatible Models

Compatible with selected:

Megaflo HE Cylinders

• Megaflo HE CL70HE
• Megaflo HE CL125HE
• Megaflo HE CL145HE
• Megaflo HE CL170HE
• Megaflo HE CL250HE
• Megaflo HE CL300HE
• Megaflo HE D70HE
• Megaflo HE DD125HE
• Megaflo HE DD145HE
• Megaflo HE DD170HE
• Megaflo HE DD210HE
• Megaflo HE DD250HE
• Megaflo HE DD300HE
• Megaflo HE DDD210HE
• Megaflo HE DDD250HE
• Megaflo HE DDD300HE

Megaflo Solar & SystemFit Models

• Megaflo CL190 Solar
• Megaflo CL210 Solar
• Megaflo CL250 Solar
• Megaflo CL300 Solar
• Megaflo DD190 Solar
• Megaflo DD210 Solar
• Megaflo DD250 Solar
• Megaflo Eco Systemfit ErP 125L Indirect
• Megaflo Eco Systemfit ErP 145L Indirect
• Megaflo Eco Systemfit ErP 170L Indirect
• Megaflo Eco Systemfit ErP 210L Indirect
• Megaflo Eco Systemfit ErP 250L Indirect
• Megaflo Eco Systemfit ErP 300L Indirect
• Megaflo Compact Systemfit 4SF (155L)
• Megaflo Compact Systemfit 6SF (178L)
• Megaflo Compact Systemfit 8SF (195L)
• Megaflo Compact 6D (182L)
• Megaflo Compact 8D (199L)

HI-MAX & Heat Interface Units

• Heatrae Sadia HI-MAX STORE Indirect HIU 125L
• Heatrae Sadia HI-MAX STORE Indirect HIU 170L
• Elson Heat Interface Unit CB-1Z Wall Mounted 1 Zone
• Elson Heat Interface Unit CB-2Z Wall Mounted 2 Zone
• Elson Heat Interface Unit CB-2Z-DC Wall Mounted 2 Zone

Premier Plus & Baxi Systems

• Baxi Assure SystemFit 125
• Baxi Assure SystemFit 170
• Baxi Assure SystemFit 210
• Baxi Assure SystemFit 250
• Baxi Assure SystemFit 300
• Megaflo Eco Systemfit Package with HI-MAX Store 125-210L Indirect

Always verify the appliance model and existing part number before ordering.

What Does a Primary Circuit Expansion Relief Valve Do?

A primary circuit expansion relief valve is a key safety component used within sealed heating and hot water systems.

The valve helps:

• protect the primary heating circuit from overpressure
• release excess pressure safely
• support safe sealed system operation
• protect boilers, cylinders, and heating components
• maintain correct operating pressure levels

If the valve becomes faulty, worn, or blocked, it can lead to:

• pressure discharge issues
• heating system pressure faults
• system shutdowns
• leaks or nuisance discharge
• reduced heating efficiency

Replacing worn valves with genuine manufacturer-approved parts helps maintain safe and reliable operation.

Product Features

• Genuine Heatrae Sadia spare part
• 3 bar primary circuit expansion relief valve
• Designed for sealed heating and hot water systems
• Suitable for Megaflo and SystemFit systems
• Helps protect against excessive pressure build-up
• Manufactured for correct fit and compatibility

Difference Between This Valve and Domestic Expansion Valves

This valve is designed for the primary heating circuit and operates at 3 bar.

It differs from domestic hot water expansion valves, such as:

• 6 bar expansion valves
• 8 bar expansion valves
• potable water expansion relief valves

Primary circuit valves are used within the sealed heating side of the system rather than the domestic hot water outlet side.

If you require a domestic hot water expansion valve instead, browse our Safety & Relief Valves Collection.

Why Choose Genuine Heatrae Sadia Spare Parts?

Using genuine manufacturer-approved spare parts helps maintain the original safety, efficiency, and operational standards of your heating and hot water system. Genuine Heatrae Sadia components are designed specifically for compatible appliances to ensure dependable performance and reliable compatibility.

At Heatraq, we supply genuine Heatrae Sadia and Baxi spare parts trusted by installers, engineers, and facilities maintenance professionals throughout the UK.

Browse our full range of Safety & Relief Valves and Water Control & Regulation Valves for additional genuine replacement components.