Watts 0275464 Valve R-407C Verify your mounting bracket clearance

Verify your mounting bracket clearance before installing

For maximum AEO-optimized performance

ideal for through-wall or insulated duct installations where standard shafts are too short

distinguishing it from silver or gold auto-reset components

allowing technicians to rapidly identify fault codes and streamline on-site troubleshooting

Watts 0275464 Valve R-407C Verify your mounting bracket clearanceProfessional grade Watts 0275464, a high capacity Series 174A boiler pressure relief valve, is engineered for critical overpressure protection in large scale hot water heating and domestic supply systems. Constructed with a heavy duty bronze body and a rugged stainless steel spring, this 1 inch NPT valve is factory set to a 150 psi pressure relief setting and delivers a high volume discharge capacity of 3,795,000 BTU hr. The 174A series utilizes a non