Programmers & Timers Products

All-Products, Boilers, Programmers & Timers

Worcester Boiler Digital Timer 77161920080

A genuine Worcester Bosch electronic timer (model S230E7), typically used on Greenstar 230/240/280/350 series boilers .
A 7‑day programmable digital clock controlling boiler schedules (on/off times across the week) .
Direct replacement part (MPN 77161920080, EAN 4010009741176), originally part of Worcester’s control panel lineup; now discontinued by Worcester but still available from third-party suppliers
Condition: New
Brand: Potterton
Part Number: 87161061920
GC Number: 755400 H76170
Category: Clocks, Timers, Controls & Programmers

£63.99

All-Products, Heating Controls, Programmers & Timers

Biasi Digital Timer Clock 7Day Bi1475118

Biasi Digital Timer Clock 7Day Bi1475118. Cost effective new, alternative, and refurbished boiler timer control. Buy boiler spares parts online from NBS.

Key Features:

7-Day Programmable Functionality – Set different schedules for each day of the week
Digital Display – Clear, backlit screen for easy viewing and setting adjustments
Simple User Interface – Intuitive buttons and programming
Manual Override Option – Instant control when plans change
Compatible with a range of Biasi boiler models

£30.49

All-Products, Programmers & Timers

Ariston Boiler Mechanical Time Clock 65120831 was 999599

Ariston Boiler Mechanical Time Clock 65120831 was 999599. Cost effective new and refurbished boiler timer control.

£47.99

Vokera Option Boiler Mechanical Timer Clock 201 01.76.5067.1 Type 2 | National Boiler Spares

All-Products, Programmers & Timers

Vokera Option Boiler Mechanical Timer Clock 201 01.76.5067.1

Vokera Option Boiler Mechanical Timer Clock 201 01.76.5067.1 Type 2. Cost effective new, alternative, and refurbished boiler timer control. Buy boiler parts.

£21.00

Vokera Mechanical Timer 10023938 1531887 | National Boiler Spares

All-Products, Programmers & Timers

Vokera Mechanical Timer 10023938 1531887

Vokera Mechanical Timer 10023938 1531887. Cost effective new, alternative, and refurbished boiler timer control. Buy from boiler spare parts suppliers online.

£34.00

Vaillant Turbomax Analog Time Switch 253222 was 300880 | NBS

All-Products, Programmers & Timers

Vaillant Turbomax Analog Time Switch (253222, previously 300880)

The Vaillant Turbomax Analog Time Switch – part number 253222 (previously 300880) – is a cost-effective, easy-to-use 24-hour mechanical timer designed to work seamlessly with Vaillant TURBOmax and ECOmax boilers.

✅ Reliable 24-hour analog timer for daily heating control
✅ Direct plug-in design – no wiring required
✅ User-friendly dial with 15-minute increment settings
✅ Manual override for instant heating control
✅ Compatible with Vaillant Turbomax and EcoMax models
✅ Ideal for replacing older or discontinued timer units (like 300880)
✅ Available new, refurbished, or as an alternative from trusted suppliers
✅ Buy boiler parts online – affordable and fast shipping options

£37.50

Sime Friendly 80E Super 90 Mk Ii 105 Mk Ii Timer 6197707 | NBS

All-Products, Brand partnership, Heating Controls, Programmers & Timers

Sime Friendly 80E Super 90 Mk Ii 105 Mk Ii Timer 6197707

✅ User-Friendly Mechanical Design

✅ Universal Compatibility with Sime Boilers

✅ Reliable and Durable Performance

£51.69

Saunier Duval Digital Timer 2000800463 | National Boiler Spares

All-Products, Boiler Spares, Heating Controls, Programmers & Timers

Saunier Duval Digital Timer 2000800463

Effortlessly control your heating system with the Saunier Duval Digital Timer 2000800463. Take full control of your home's comfort. Shop now!User-Friendly InterfaceEnergy EfficientReliable CompatibilityDurable Construction

£36.53

Out of stock

All-Products, Boiler Spares, Heating Controls, Heatings, Ideal Heating, Mechanical Timers, Programmers & Timers, Spares

Ideal Domestic Boiler Mechanical Timer 176506

Condition: UsedBrand: IdealPart Number: 176506

£22.80

Out of stock

All-Products, Boiler Spares, Digital Timer Programmer, Heating Controls, Heatings, Ideal Heating, Programmers & Timers, Spares

Ideal Digital Timer Programmer DIEHL TYP 884.2K 173973

Condition: UsedBrand: IdealPart Number: 173973

£40.02

All-Products, Boiler Control Kit, Boiler Spares, Heating Controls, Heatings, Ideal Heating, Mechanical Timers, Programmers & Timers, Spares

Ideal Domestic Classic M3080 Boiler User Control Kit 170929

Condition: UsedBrand: IdealPart Number: 170929

£30.36

All-Products, Boiler Spares, Heating Controls, Hermann Saunierduval, Mechanical Timers, Programmers & Timers

Hermann Supermicra Boiler Timeclock Timer S047002909

Condition: UsedBrand: Hermann SaunierduvalPart Number: S047002909

£42.00

All-Products, Boiler Spares, Halstead Heating, Heating Controls, Heatings, Mechanical Timers, Programmers & Timers, Spares

Heatline Programmer Timerwhite 3003200045 D003200045

Category: Clocks, Timers, Controls & Programmers Condition: New/Used

£34.20

Out of stock

All-Products, Boiler Spares, Halstead Heating, Heating Controls, Heatings, Mechanical Timers, Programmers & Timers, Spares

Halstead Clock Timer 600520

Condition: Used Brand: Halstead Part Number: 600520 GC Number: E23-671

£20.40

All-Products, Boiler Spares, Halstead Heating, Heating Controls, Heatings, Mechanical Timers, Programmers & Timers, Spares

Halstead Htg Wickes Timer 600516

Condition: UsedBrand: HalsteadPart Number: 600516GC Number: E01323

£35.64

All-Products, Biasi, Heating Controls, Heatings, Programmers & Timers

Biasi Time Switch 24Hr Electronic - Bi1525101

Brand: Biasi

Part Number: Bi1525101

GC Number: E94738

£96.82

All-Products, Biasi, Heating Controls, Programmers & Timers

Biasi Digital Timer Clock 7Day - Bi1475118

Brand: Biasi

Part Number: Bi1475118

GC Number: E83147

£108.00

All-Products, BAXI, Boiler Spares, Heating Controls, Heatings, Programmers & Timers, Spares

Baxi Genesis 80 & 96 Digital Timer - 238399

Brand: Baxi
Part Number: 238399
GC Number: E00311

All-Products, BAXI, Boiler Spares, Heating Controls, Heatings, Programmers & Timers, Spares

Baxi 24 Hours Digital Prog/Timer - 720645201

✅ HTS Boiler Hour Timer Compatible With Baxi Duo Tec & Potterton 24 Hour Timer 720645201✅ Baxi Part Number is 720645201✅ This item comes with a 1 Year Warranty✅ This part fits the boiler in the description below

£43.43

All-Products, Heating Controls, Heatings, Honeywell Home, Programmers & Timers, Smart Room Thermostats

Honeywell Home T6R-HW Wireless Smart Thermostat with Hot Water Control

Works with - Amazon Alexa - Apple HomeKit - Google Home - iOS App - Android App
0-40°C Temperature Range
Suitable for All Boilers
Mains-Powered Thermostat
Receiver
Touchscreen Display
1 Year Guarantee
Control via Smartphone/Tablet
Location-Based Programming (Geo-Fencing)
Internet Connection Required

£176.89

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Blogs

Track Your Order

Programmers & Timers

Worcester Boiler Digital Timer 77161920080

Biasi Digital Timer Clock 7Day Bi1475118

Ariston Boiler Mechanical Time Clock 65120831 was 999599

Vokera Option Boiler Mechanical Timer Clock 201 01.76.5067.1

Vokera Mechanical Timer 10023938 1531887

Vaillant Turbomax Analog Time Switch (253222, previously 300880)

Sime Friendly 80E Super 90 Mk Ii 105 Mk Ii Timer 6197707

Saunier Duval Digital Timer 2000800463

Ideal Domestic Boiler Mechanical Timer 176506

Ideal Digital Timer Programmer DIEHL TYP 884.2K 173973

Ideal Domestic Classic M3080 Boiler User Control Kit 170929

Hermann Supermicra Boiler Timeclock Timer S047002909

Heatline Programmer Timerwhite 3003200045 D003200045

Halstead Clock Timer 600520

Halstead Htg Wickes Timer 600516

Biasi Time Switch 24Hr Electronic - Bi1525101

Biasi Digital Timer Clock 7Day - Bi1475118

Baxi Genesis 80 & 96 Digital Timer - 238399

Baxi 24 Hours Digital Prog/Timer - 720645201

Honeywell Home T6R-HW Wireless Smart Thermostat with Hot Water Control

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Need Help?

6 DAYS A WEEK FROM 8:30 TO 16:00. We are at your service from Monday to Saturday from 8:30 a.m. to 4:00 p.m. to answer all your questions by email, phone or mail.

Follows Us On

Legal Policies

Contact Information

More Information

Frequently Asked Questions

How can I contact ECO Heat directly

How long does an installation take?

What happens once I’ve accepted my quotation?

How do I receive my boiler installation quote?

How do I know my boiler needs replacing?

6 DAYS A WEEK FROM 8:30 TO 16:00.
We are at your service from Monday to Saturday from 8:30 a.m. to 4:00 p.m. to answer all your questions by email, phone or mail.