Grant Control Stat Vbs146 All Vortex Models Was Vbs134

Vortex Post Sept 2015 Suitable for oil boilers

Genuine Replacement Thermostat for All Grant Vortex Oil Boilers (Replaces VBS134)

The Grant VBS146 Control Stat is a genuine replacement control thermostat designed for use in all Grant Vortex oil-fired boiler models. This critical component monitors and regulates the boiler’s internal temperature, ensuring efficient heat control and safe system operation. It replaces the previous model VBS134, offering improved reliability and compatibility across the full Vortex range.

Whether you’re experiencing inconsistent temperatures, a boiler lockout, or conducting a scheduled service, replacing a faulty or aging thermostat with the VBS146 can help restore optimal performance and system safety.

Key Features & Benefits

• Official Grant OEM Part – VBS146
  Fully approved replacement part for all Vortex oil boiler models, including internal and external variants.

• Replaces Older Version – VBS134
  Updated design for improved performance, durability, and ease of installation.

• Ensures Safe Temperature Control
  Accurately regulates boiler operating temperatures to prevent overheating or lockouts.

• Restores Efficient Heating Performance
  Ideal for resolving hot water or central heating issues caused by thermostat failure.

• Pre-Calibrated for Easy Fitment
  Factory-set and ready to install with minimal adjustment—ideal for professional engineers and DIY users.

• Durable and Long-Lasting
  Built to withstand the high-temperature environment of modern oil boilers.

Compatible Grant Boiler Models

The VBS146 Control Stat is compatible with:

• All Grant Vortex Utility Oil Boilers

• Grant Vortex Combi 21 / 26 / 36kW

• Grant Vortex Pro & Eco Models

• Grant Vortex External & Wall-Hung Boilers

If you're unsure whether this part suits your boiler, contact our team with your serial number for fast compatibility confirmation.

When to Replace the Control Thermostat

Replace the VBS146 if:

• The boiler is overheating or locking out intermittently

• Hot water or central heating isn't reaching target temperatures

• You notice fluctuating temperatures or delayed heating response

• You're servicing the boiler or upgrading old thermostat parts (e.g., replacing VBS134)

A faulty control stat can cause inefficiency, premature boiler shutdowns, and customer complaints—timely replacement is critical to performance and safety.

Technical Specifications

• Part Number: VBS146 (Replaces VBS134)

• Manufacturer: Grant UK

• Type: Control thermostat

• Application: Temperature control in oil boiler combustion chambers

• Compatibility: All Grant Vortex models (combi, system, utility, external)

• Mounting: Standard installation in thermostat housing on boiler casing

• Temperature Range: Pre-set; refer to boiler manual for specific calibration

• Material: Heat-resistant metal sensor with robust electrical contacts