Skip to content
  • Celebrate Black Friday in style! Use Save up 10% OFF, Code:T2POTP for unbeatable deals!
  • Celebrate Black Friday in style! Use Save up 10% OFF, Code:T2POTP for unbeatable deals!
UK Bathroom Supplies SalesUK Bathroom Supplies Sales
  • Menu
    • No products in the basket.

      Return to shop

  • Basket

    No products in the basket.

    Return to shop

  • Bathrooms
    • Baths
    • Bathroom Furniture
    • Bathroom Taps
  • Shower Enclosures
    • Shower Trays
    • Wet Rooms
  • Showers
    • Shower Heads, Arms & Rails
    • Shower Valves
    • Mixer Showers
  • Heating
    • Radiators
    • Towel Radiators
    • Heating Controls
    • Underfloor Heating
    • Pumps
    • Electric Heaters
    • Water Heaters
    • Fires & Stoves
    • Ventilation
    • Plinth Heaters
    • Central Heating Treatment
    • Water Treatment
  • Vented Cylinders
    • Copper Vented Cylinders
    • Combination Cylinders
    • Stainless Steel Vented Cylinders
    • Solar Vented Cylinders
Home / Heating / Heating Controls
  • Banico ZVM22 22mm Mid-Position Motorised Zone Valve -UK Bathroom Supplies Sales b502e13b 0f24 40d6 98f2 bb87be01b95f
  • ESi Electronic Room Thermostat With Neon Indicator - ESRTE2 -UK Bathroom Supplies Sales d32ca87e 7bae 4230 ac69 75d3ea0309c0
Sale!
Honeywell L641A1039 Cylinder Thermostat

Honeywell L641A1039 Cylinder Thermostat

£22.36

Buy Now
SKU: L641A1039 Categories: Heating, Heating Controls Tag: Honeywell Home
  • Control the delivery date and try to deliver it in the fastest time
  • Get the Best for Less
  • Shop with Ease
  • Your happiness, our mission.
Browse
  • Bathrooms
    • Bathroom Furniture
    • Bathroom Taps
      • Bath Taps
    • Baths
  • Heating
    • Central Heating Treatment
    • Electric Heaters
    • Fires & Stoves
      • Fires
        • Electric Fires
        • Gas Fires
      • Stoves
    • Heating Controls
    • Plinth Heaters
    • Pumps
    • Radiators
      • Column Radiators
      • Designer Radiators
      • Radiator Valves
    • Towel Radiators
    • Underfloor Heating
    • Ventilation
      • Air Conditioning
    • Water Heaters
    • Water Treatment
  • Shower Enclosures
    • Shower Trays
    • Wet Rooms
  • Showers
    • Mixer Showers
    • Shower Heads, Arms & Rails
    • Shower Valves
      • Concealed Shower Valves
  • Uncategorized
  • Vented Cylinders
    • Combination Cylinders
    • Copper Vented Cylinders
    • Solar Vented Cylinders
    • Stainless Steel Vented Cylinders
  • Description
  • Additional information
  • Reviews (0)

Honeywell L641A1039 Cylinder Thermostat

The L641A Cylinder Thermostat is designed for surface mounting on domestic hot water cylinders. It can be used to switch directly a wet central heating circulating pump or boiler, or to operate spring return and motor open/motor close zone valves.

  • Ideal for general applications
  • Suitable for use on uninsulated and foam lagged cylinders
  • Surface mounted
  • Double insulated
  • Dial or screwdriver slot temperature adjustment
  • Cylinder strap & hooks

Selecting the correct sort of Heating Controls is an important decision. After you determine that Cylinder Thermostats give the correct answer then the Honeywell Home L641A1039 is certainly worth adding to the shortlist.

EAN

5023220200093

MPN

L641A1039

Product Code

102916

Reviews

There are no reviews yet.

Be the first to review “Honeywell L641A1039 Cylinder Thermostat” Cancel reply

Related products

Sale!
Ultraheat Compact Double Panel Double Convector Radiator (Type 22/K2) - 700mm X 700mm - 7DF700
Quick View

Heating

Ultraheat Compact Double Panel Double Convector Radiator (Type 22/K2) – 700mm X 700mm – 7DF700

£86.10
Sale!
Honeywell ST9400C 7 Day Two Channel Programmer
Quick View

Heating

Honeywell ST9400C 7 Day Two Channel Programmer

£64.68
Sale!
Stiebel Eltron Set A Expansion Packs - 236701
Quick View

Heating

Stiebel Eltron Set A Expansion Packs – 236701

£98.99
Sale!
Pisa White Straight Towel Rail - 1800 X 450mm ZTK0018450
Quick View

Heating

Pisa White Straight Towel Rail – 1800 X 450mm ZTK0018450

£95.99
Sale!
Air Conditioning Centre 2.6kW WiFi Enabled Mobile Air Cooling System - KYR25CO/LUX
Quick View

Air Conditioning

Air Conditioning Centre 2.6kW WiFi Enabled Mobile Air Cooling System – KYR25CO/LUX

£95.99
Sale!
Park Lane Traditional Colosseum Triple Bar Column Radiator Anthracite 600 X 830mm
Quick View

Column Radiators

Park Lane Traditional Colosseum Triple Bar Column Radiator Anthracite 600 X 830mm

£97.99
Sale!
Terma Warp T One Electric Towel Rail 1695x500mm Matt Teal - WWWTN169050K5M8E8P
Quick View

Heating

Terma Warp T One Electric Towel Rail 1695x500mm Matt Teal – WWWTN169050K5M8E8P

£95.99
Sale!
DuraTherm Vertical Oval Tube Single Panel Designer Radiator - 1600 X 360mm Anthracite
Quick View

Designer Radiators

DuraTherm Vertical Oval Tube Single Panel Designer Radiator – 1600 X 360mm Anthracite

£76.30
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2025 © www.hotwatercylinderuk.com
    • Bathrooms
      • Baths
      • Bathroom Furniture
      • Bathroom Taps
    • Shower Enclosures
      • Shower Trays
      • Wet Rooms
    • Showers
      • Shower Heads, Arms & Rails
      • Shower Valves
      • Mixer Showers
    • Heating
      • Radiators
      • Towel Radiators
      • Heating Controls
      • Underfloor Heating
      • Pumps
      • Electric Heaters
      • Water Heaters
      • Fires & Stoves
      • Ventilation
      • Plinth Heaters
      • Central Heating Treatment
      • Water Treatment
    • Vented Cylinders
      • Copper Vented Cylinders
      • Combination Cylinders
      • Stainless Steel Vented Cylinders
      • Solar Vented Cylinders
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.