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: MF0175Optional

Flow Switches

Regular price $215.00 Save $-215.00

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

Paddle Type Flow Switch with 25mm Brass Tee

Regular price $110.00 Save $-110.00

DN25 WFS21025BA

Paddle Type Flow Switch with 25mm Brass Tee

Temperature Sensor E35 NTC

Regular price $22.00 Save $-22.00

Product code: E0185

Temperature sensor 2m.

Can be used with all E35 series controllers.

E35-4 Controller

Regular price $151.80 Save $-151.80

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:

Pool and spa units from 7GP7S5-1 to 7GP30S24-3

Pool and domestic hot water units from 7GP7D4-1 to 7GP30D18-3

Pool and underfloor units from 7GP7U5-1 / 7GP7Ub5-1 to 7GP30U24-3 / 7GP30Ub24-3

Underfloor and domestic hot water units from 7GU5D4-1 / 7GUb5D4-1 to 7GU27D18-3 / 7GUb27D18-3

Controller Cover E35 Series

Regular price $18.70 Save $-18.70

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.

E35-6 Controller

Regular price $310.20 Save $-310.20

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.

E35-5 Controller

Regular price $278.30 Save $-278.30

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:

Pool or spa units from 7GP7-1 to 7GP35-3

Domestic hot water units from 7GD4-1 to 7GD21-3

Underfloor units from 7GU5-1 / 7GUb5-1 to 7GU27-3 / 7GUb27-3

Chiller units from 7GP7C-1 to 7GP35C-3

Low water temperature water chillers from 7GP7CL-1 to 7GP35CL-3

Heat and chill units from 7GPHC7-1 to 7GP35HC-3

Low water temperature heat and chill units from 7GPHCL7-1 to 7GP35HCL-3

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:

Pool and spa units from 7GP7S5-1 to 7GP30S24-3

Pool and domestic hot water units from 7GP7D4-1 to 7GP30D18-3

Pool and underfloor units from 7GP7U5-1 / 7GP7Ub5-1 to 7GP30U24-3 / 7GP30Ub24-3

Underfloor and domestic hot water units from 7GU5D4-1 / 7GUb5D4-1 to 7GU27D18-3 / 7GUb27D18-3

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