Production selection

What hotun to select and when

Water tank overflow

boiler (with PRV)

Small unvented (<15l)

water heater (with PRV)

Large unvented (>15l)

water heater (with T/PRV)

Product

Water Tank

Boiler (With PRV)

Small Unvented (less than 15L with PRV)

Large Unvented (greater than 15L with T/PRV)

hotun

15-22 dry trap tundish

hotun 100 range

Only if the highest volume flow is less than 16LPM

hotun sf

15-22 dry trap tundish

hotun sf range

Only if the highest volume flow is less than 16LPM

hotun hiflo

15-32 dry trap tundish

hotun hiflo 100 range

15-32 dry trap tundish

hotun hiflo sf range

hotun XLSF

22-32 dry trap tundish

hotun XLSF

hotun

hotun 100 Range

15 – 22 dry tap tundish

Compatible with

Water Tank

hotun

Boiler (With PRV)

hotun

Small unvented (less than 15L with PRV)

hotun

Large unvented (Greater Than 15L with T/PRV)

Only if the highest volume flow is less than 16LPM

hotun sf

hotun sf range

15 – 22 dry tap tundish

Compatible with

Water Tank

hotun

Boiler (With PRV)

hotun

Small unvented (less than 15L with PRV)

hotun

Large unvented (Greater Than 15L with T/PRV)

Only if the highest volume flow is less than 16LPM

hotun sf

hotun hiflo 100 Range

15 – 32 dry tap tundish

Compatible with

Water Tank

hotun

Boiler (With PRV)

hotun

Small unvented (less than 15L with PRV)

hotun

Large unvented (Greater Than 15L with T/PRV)

hotun
hotun hiflo sf

hotun hiflo sf range

15 – 32 dry tap tundish

Compatible with

Water Tank

hotun

Boiler (With PRV)

hotun

Small unvented (less than 15L with PRV)

hotun

Large unvented (Greater Than 15L with T/PRV)

hotun
hotun XLSF

hotun XLSF

22 – 32 dry tap tundish

Compatible with

Water Tank

hotun

Boiler (With PRV)

hotun

Small unvented (less than 15L with PRV)

hotun

Large unvented (Greater Than 15L with T/PRV)

hotun