Description

WORCESTER 77161920020 CDI MECHANICAL TIMER

The Worcester CDI mechanical timer helps you manage your boiler’s heating schedule with ease and accuracy. This refurbished mechanical timer fits Worcester CDI models and restores full control functionality. The part number 77161920020 is perfect for improving energy use and boosting boiler efficiency.

Compatible Boilers

To help you find the right fit, this part is compatible with the following boiler models:

Worcester Greenstar CDI Series:

• 35 CDI – NG (GC No. 47-311-39)

• 35 CDI RSF – LPG (GC No. 47-311-40)

Worcester i Series:

• 24i RSF (GC No. 47-311-37)

Worcester Timers & Controls Range:

• Works with select Worcester Bosch control systems (GC No. woc)

Why Choose This Product?

These 77161920020 mechanical timers is a practical way to restore full scheduling control to your Worcester boiler. Refurbished to high standards, it performs like new without the cost of a brand-new part. It’s easy to fit and helps reduce wasted energy by automating heating cycles. With trusted Worcester build quality and a verified part number, you get peace of mind with every use.

Delivery and Return

Order by 1 PM for same-day dispatch. Choose from standard or next-working-day delivery options at checkout. Returns are accepted within 30 days if the item remains unused and in its original packaging.

Important: Always use a Gas Safe registered engineer to install boiler controls safely and legally.

Frequently Asked Questions

1. What boilers is the Worcester 77161920020 mechanical timer compatible with?

This mechanical timer is compatible with Worcester Greenstar CDI 35 CDI – NG, 35 CDI RSF – LPG, i Series 24i RSF, and select Worcester Bosch control systems. Always check your boiler model and part number before purchase to ensure compatibility.

2. Is this a new or refurbished part?

The Worcester 77161920020 timer is a fully refurbished part. It has been tested to ensure it functions like new and meets high-quality standards. Minor cosmetic marks may be present due to previous use.

3. What does the mechanical timer do?

The mechanical timer allows you to schedule your boiler’s heating cycles accurately, improving energy efficiency and providing full control over your heating system. It automates when your boiler turns on and off, reducing energy waste.

4. Can I install this timer myself?

For safety and compliance, installation should be carried out by a Gas Safe registered engineer. Improper installation could be unsafe and may void warranties or cause boiler damage.

5. How is this timer delivered and returned?

Orders placed by 1 PM are dispatched the same day. Standard and next-working-day delivery options are available at checkout. Returns are accepted within 30 days if the item remains unused and in its original packaging.