Controls, Valves & TRVs

For V4043 +V4044+V4073

Integral stop valve. Enables seat to be cleaned without draining the system
Vacuum break ensures air collection
Simple service and cleaning
1/8" and 3/8" BSP connections
1/8" to 1/2" adaptor

Ideal for general applications
Suitable for use on uninsulated and foam lagged cylinders
Surface mounted
Double insulated
Cylinder strap & hooks

Unique and simple adjustment mechanism
Wide differential pressure range 0.1 to 0.6 bar
22mm compression fittings for ease of installation
Ensures constant flow through boiler
Reduces system noise and maintains an even system pressure

Spring return action
Three position operation
Powerhead replaceable without draining down
Manual lever for filling/draining down
Quiet operation, minimal power consumption

Dual diaphragm temperature sensing element
Suitable for surface or switch box mounting
Heat anticipator for close temperature control
10 to 30C setpoint range
Change-over contact switching (cooling loads)

Motor open
Spring return action
Manual lever for filling & draining the system
Powerhead replaceable without draining down
Potential free end switch for electrical control of pump and/or boiler

Motor open
Spring return action
Manual lever for filling & draining the system
Powerhead replaceable without draining down
Potential free end switch for electrical control of pump and/or boiler

Bi-directional flow design
Can be mounted vertically or horizontally
Integrated radiator balancing insert
Easy grip TRV head with energy saving button that alerts user to economical setting for comfort
Liquid sensor provides consistent and long-lasting performance

Bi-directional flow design
Can be mounted vertically or horizontally
Integrated radiator balancing insert
Easy grip TRV head with energy saving button that alerts user to economical setting for comfort
Liquid sensor provides consistent and long-lasting performance

Bi-directional flow design
Integrated radiator balancing insert
Can be mounted vertically or horizontally
Positive shut off
Approved to EN215

OEM style thermocouple 900mm will fit Honeywell Q309A type thermocouple applications.
Manufactured to be dimensionally equivalent to the original thermocouple but employs a modern tip structure to give faster hold-in and drop-out times.
Manufactured in Europe by a world leading gas safety company.