Waterco 2" Top/Side Mount Valves Sight Glass (621381) fittingsother Useful for specialized spa and

Useful for specialized spa and equipment plumbing

25 square feet of filtration area

Helps restore traditional pneumatic control feel

This replacement pack is especially useful when building

Waterco 2" Top/Side Mount Valves Sight Glass (621381) fittingsother Useful for specialized spa andThe Waterco 2 inch top and side mount valve sight glass is designed for compatible multiport valve applications where visual inspection of flow or backwash clarity is part of normal system operation. A sight glass is useful because it gives the user a direct way to observe water condition during certain valve functions without opening the system. This replacement is especially useful when the original sight glass is cracked, cloudy, leaking, or too