3P Overflow Siphons – Adequate overflow is essential for optimum tank water quality.
Inadequate overflow is the primary cause of odour in failed rainwater systems.
The Basic Overflow steel Siphon is available with or without Rodent barrier.
Art-no. 4000210 without rodent barrier
Art-no. 4000310 comes with stainless steel spring rodent barrier
Rodent barriers are also available separately.
Connection Size DN100 (110mm OD)