Watts LF5300A 1/2" Lead-Free Bypass Relief Valve (0–250 PSI) Filmtec (XLE-4021) Low Energy Membrane 1025 GPD 4" X 21" Ideal for diagnosing scale formation

Ideal for diagnosing scale formation in tankless water heaters

making it ideal as a post-filter to reverse osmosis systems for ultra-pure output

0 Recovery Rate 15% Flow Variance ±20% per element Availability Wet or dry configuration

code-compliant alternative to traditional drain saddles for undercounter RO systems

Watts LF5300A 1/2" Lead-Free Bypass Relief Valve (0–250 PSI) Filmtec (XLE-4021) Low Energy Membrane 1025 GPD 4" X 21" Ideal for diagnosing scale formationThe Watts LF5300A is a compact 1 2" bypass relief valve designed to protect your plumbing system from overpressure damage in positive pressure pump installations. This lead free brass valve automatically diverts excess flow back to the source when pressure exceeds your preset threshold, then reseats when conditions normalize. SPECIFICATIONS Watts LF5300A Technical Details Model Number Watts LF5300A Size 1 2 inch NPT Pressure Range 0250 PSI