Installer's Choice
Heat Pumps
Heat Pump Accessories
Primary Pro External Insulation
Air, Dirt Separators & Filters
Buffer Vessels & Volumisers
Heat Pump Diverter Valves
Heat Pump Fittings
Heat Pump Trunking
Heat Pump Valves
Insulated Flexible Hoses
Mounting Brackets & Feet
Vacuum Degassers
Other Heat Pump Accessories
Heat Pumps
Air-To-Air Heat Pumps
Air-To-Water Heat Pumps
Heat Pump Kits
Hybrid Heat Pumps
Heat Pump Cylinders
Cylinders With Integrated Heat Pump
Heat Pump Vertical Cylinder
Heat Pump Cylinder With Solar Thermal Coil
Boilers
Boiler Accessories
Automatic Bypass Valves
Central Heating Filters
Central Heating Pumps
Condensate Discharge Products
Condensate Pro
Filling Loops
PRV Tundish
Shock Arresters
Gas Boilers
Alpha Heating Innovation
Intergas Heating
Viessmann
Vokera
Oil Boilers
EOGB Sapphire Boilers
Oil Boiler Spares
Heating Systems
Heating Controls
Electrical Cable
Motorised Valves
OpenTherm Thermostats
Programmers
Smart Thermostats
Wired Programmable Thermostats
Wired Thermostats
Wireless Programmable Thermostats
Wireless Thermostats
Pumps
Condensate Pumps
Heating Circulators
Hot Water Circulators
PRV Discharge Pumps
Pump Groups
Pump Valves
Pump Accessories
Underfloor Heating Accessories
Radiator Valves
Auto-Balancing TRV's & Lockshield Packs
IMI Radiator Valves & Accessories
TRV & Lockshield Valves
Accessories
Water Treatment
Fill & Flush Valves
Heating System Chemicals
Scale Inhibitors
Hydronic Products
Central Heating Filters
Deaerators
Dirt Separators
Expansion Vessels
Low Loss Headers
STAD Valves
MWPHS Pro Radiators
Double Convector Radiators
Triple Convector Radiator
Pipe Fittings
Fittings
Compression Fittings
Copper End Feed Fittings
Gas Meter Fittings
Press Fit Fittings
Solvent Weld
Yellow Brass
Pipe Clips & Fixings
Brass Munsen Rings
Fixing Plugs
Plastic Pipe Clips
Rubber Lined Pipe Clips
Stud Bracket
Threaded Rod
Plumbing Consumables
Sealing Tape
Solders & Fluxes
Sealing & Fixing
Sealants & Adhesives
Silicone
Valves
Automatic Air Vents
Butterfly Handle Ball Valves
Check Valves & Strainers
Drain Off Cocks
Fill & Flush Valves
Flat Faced Isolating Valves
Gas Lever Ball Valves
Gate Valve
Isolation Ball Valves
Lever Ball Valves
Pressure Reducing Valves
Pump Valves
Thermostatic Mixing Valves
Cylinders
Heat Pump Cylinders
Cylinders with Integrated Heat Pump
Heat Pump Cylinders with Solar Coil
Heat Pump Horizontal Cylinders
Heat Pump Vertical Cylinders
Dual Coil Solar Thermal Cylinders
Unvented Cylinders
Direct Unvented Cylinders
High Gain Unvented Cylinders
Horizontal Unvented Cylinders
Indirect Unvented Cylinders
Slimline Unvented Cylinders
Solar Unvented Cylinders
Vented Cylinders
Direct Vented Cylinders
Indirect Vented Cylinders
Cylinder Accessories
Immersion Heaters
Cylinder Manufacturers
Heat Geek Cylinders
Intergas
Joule Cylinders
McDonald Water Storage
Mixergy
Vaillant
Viessmann
Smart Home
SALUS Smart Home
SALUS Smart Home Packs
SALUS Switches/Relays
SALUS Thermostats
SALUS TRV / Sensors
SALUS Underfloor Heating Controls
SALUS Universal Gateway
SALUS Underfloor Heating Accessories
SALUS Optional Accessories
Shelly
Shelly Wi-Fi Relays
Manufacturers
A
ADEY
Allterco (Shelly)
Altecnic
Alpha Heating Innovation
B
Baxi
BritTherm™
C
Condensate Pro
CTC
D
Danfoss
Drayton
E
EOGB Sapphire
EPH Controls
ESBE Hydronic Solutions
ESi Controls
F
Fast Amps
Fernox
Flamco
H
HB42
HYDROPATH Technology
I
Ideal Logic
IMI
Intergas Heating
Intatec
J
Joule UK
L
Lowara (Xylem)
M
McDonald Water Storage
Milwaukee
Mixergy
N
Newark Cylinders
P
Primary Pro
R
Reflex Winkelmann
Resideo
Rob Pond
S
SALUS Controls
Stiebel Eltron
T
Talon
Tepeo
Tesla
V
Vaillant
Viessmann
Vokera
W
Worcester Bosch
Viessmann Extension Module
Showing the single result
Sort by popularity
Sort by average rating
Sort by latest
Sort by price: low to high
Sort by price: high to low
Viessmann EM-EA1 Extension Module (7635626)
£
203.99
Add To Cart
Update Stock
0
0
Your Basket
Your basket is empty
Return to Shop
