Harwil Flow Switch 3/4" Barbed Tee

SKU: hq34-0221

Harwil flow switch 3/4" barbed tee assembly used on numerous spas Harwil Q12DS-C2 switch mechanism threaded into barbed tee body...

8 In Stock


Harwil Flow Switch Replacement Mechanism 0.75" MPT thread

SKU: hq34-0221A

Harwil flow switch replacement mechanism used on numerous spas - 3/4" MPT thread - screws into barbed Tee fitting (outside diameter of thread is 26.5mm - 3/4" NPT thread) Harwil Q-12DS-C2 flow switch mechani...

9 In Stock


Harwil Q-12 Spa & Pool Water Flow Switch

SKU: harwilq12

Harwil Q-12 Spa & Pool Water Flow Switch Pilot duty extra low voltage only. 1/2" NPT thread (21mm OD thread) Maximum length of submersion from top of thread/underside of nut - 66mm Length of submersion ...

1 In Stock


Harwil Q-8 DS Spa & Pool Water Flow Switch

SKU: harwilq8

Harwil Q-8DS Spa & Pool Water Flow Switch 15A, 12V-240V AC/DC 5-80 GPM range suits 1.5" and 2" pipe sizes, 1" NPT thread Manufactured from Noryl, 316 & 301 stainless steel and Viton...


Out Of Stock