Siemens Solutions Partner - Comtherm are proud to be a solutions partner for Siemens UK

Looking for Econex Parts? - Comtherm are sole UK distributors of Econex Parts, we offer full technical support.

  • Free shipping

    On all UK orders over £100

  • Secure Payment System

    Fully encrypted payment system ensuring customer security

  • Technical Support

    We use the products we sell meaning we can assist with technical queries

  • Chat facility

    Talk to a real person

Free Shipping

Spend over £100 and we ship Next Day for free (UK Mainland Only)

Siemens QRB4A-B036A25 Yellow (Oil) Flame Detector

Siemens  |  SKU: S55723-S201-A100  |  Barcode: S55723-S201-A100
0.25 kg
£19.24 £28.59
Shipping calculated at checkout.

Delivery and Shipping

Subject to stock availability, orders will be dispatched the same day on an 'Express Next Day' service if ordered before 1pm (UK Mainland).

Technical Support On Hand

We are fully prepared to assist you in selecting the correct part. Our experienced staff are available to provide support.

Product Downloads Section

Download manufacturer provided PDF files here to aid product selection and installation.

Download Product Manual:
PDF Icon
Download Product Datasheet:
PDF Icon

Sensitivity: Normal

Casing: Black

Casing Length: 68mm

Visible Cable Length: 36cm

Stripped Length: 25mm

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Siemens

Siemens QRB4A-B036A25 Yellow (Oil) Flame Detector

£19.24 £28.59

Sensitivity: Normal

Casing: Black

Casing Length: 68mm

Visible Cable Length: 36cm

Stripped Length: 25mm

View product