Controllers & Accessories

Flow Switch with Paddle Read Switch, 70mm Paddle

3/4" Female Thread

Optional Accessories:
PVC threaded Male G3/4" for welding or gluing to PVC plastic - Code: PF0130
Brass threaded Male G3/4" for welding to copper tube - Code: MF0175 Optional 

Product code: E35-1

Heat pump water heater heat OR chill controller.

Includes two temperature sensors (product code: E0185). Controllers come with controller cover unless otherwise requested. 

All Thermoplus heat pump water heaters manufactured by Hot Water Heat Pumps Ltd use E35-1 controllers.

Product code: E35-4

Heat OR chill controller.

Includes one temperature sensor (product code: E0185). Controllers come with controller cover unless otherwise requested. 

Please see further controller information in our additional pictures. 

Please note this controller replaces E35-2 controllers and come with an additional time clock facility. 

The following Duoheat standard dual purpose heat pump water heaters manufactured by Hot Water Heat Pumps Ltd from mid 2017 use 1 x E35-5 controller and 2 x E35-4 controllers:

Product code: E35-5

Heat pump water heater heat/chill OR heat only OR chill only controller. 

Includes two temperature sensors (product code: E0185). Controllers come with controller cover unless otherwise requested. 

Please see further controller information in our additional pictures. 

The following Performance Plus standard single purpose heat pump water heaters manufactured by Hot Water Heat Pumps Ltd from mid 2017 use E35-5 controllers:

The following Duoheat standard dual purpose heat pump water heaters manufactured by Hot Water Heat Pumps Ltd from mid 2017 use 1 x E35-5 controller and 2 x E35-4 controllers:

For information on the most suitable controller for larger, older or bespoke units please contact Hot Water Heat Pumps Ltd directly. 

Paddle flow switch in inline PVC tee. This flow switch is often used to retrofit to existing systems where the old type flow switch or pressure switch is no longer available.

This flow switch is not designed to run load and should be used in conjunction with a relay.

Product code: E0185

Temperature sensor 2m. 

Can be used with all E35 series controllers. 

Product code: FF0027

General weather protector and UV guard for all E35 series controllers. 

Please note:

These covers are not water tight. The face of the E35 series controllers are water proof but the controller still needs to be sealed against the unit to ensure it is protected against water damage. 

Controller covers are included free of charge with each E35 series controller purchase. 

Product code: E35-6

Heat pump water heater 2 stage controller.

Includes one temperature sensor (product code: E0185). Controllers come with controller cover unless otherwise requested. 

Please see further controller information in our additional pictures. 

Product code: E0192

Temperature sensor 5m. 

Can be used with all E35 series controllers. 

Switch Float 115 mm Normally Open on bottom, 240VAC 1.0A, M12

 195MM

Product code: SW0034

Product code: E35

Heat pump water heater heat and chill controller.

Includes two temperature sensors (product code: E0185). Controllers come with controller cover unless otherwise requested.