Kowiri tira te Maka / Whakamutunga Whakawhiti Ripeka
Miro Paerewa
Ko te ripeka he hononga whakawhiti tikanga mo nga paipa, no reira ka whakamahia ano e matou te miro BSP whanui o te kaainga i te wa e mahia ana, he pai mo nga kaiwhakamahi ki te hono;kei te waatea hoki nga miro motuhake ki te hiahiatia.
Huihuinga o Ripeka
Ko te whiti he rite ki te rori i roto i te paipa, e whakaatu marama ana i te ahunga rere o te paipa me te whakarite i te paipa.
Tawhā Ahu
| Rahi | Inihi | Diamita |
| DN6 | 1/8" | 10 |
| DN8 | 1/4" | 13 |
| DN10 | 3/8" | 16 |
| DN15 | 1/2" | 20.5 |
| DN20 | 3/4" | 26 |
| DN25 | 1" | 32 |
| DN32 | 11/4" | 41 |
| DN40 | 11/2" | 47 |
| DN50 | 2" | 59 |
| DN65 | 21/2" | 75 |