Watts 0346038 Valve
The Watts 0346038, also identified as model 415-3/4-8, is a specialized steam safety relief valve engineered for low-pressure steam heating boilers. This 3/4 inch NPT valve features a 8 PSI pressure setting, providing critical overpressure protection in commercial and residential hydronic systems. Constructed with a durable bronze body and a top-guided stem, it ensures precise mechanical alignment and reliable seat reseal after discharge. The high-capacity BTU/hr rating is designed to meet strict ASME Section IV safety standards. For technicians, the large orifice design provides maximum discharge capacity, preventing pressure buildup that can compromise boiler integrity. This NPT threaded valve is a direct replacement for existing Series 415 installations, ensuring seamless integration during system maintenance or boiler retrofits. Utilizing a non-metallic disc-to-metal seat, the unit minimizes leakage and resists chemical corrosion common in steam environments.
Key Technical Benefits
- ASME Section IV Certified: Rated for high-capacity steam discharge to meet rigorous safety codes.
- Heavy-Duty Bronze Construction: Resists dezincification and thermal stress for long-term field reliability.
- 8 PSI Factory Set Point: Specifically calibrated for low-pressure steam applications and system safety.
- Top-Guided Design: Prevents stem tilting to ensure consistent opening and closing cycles.
- High BTU Discharge Capacity: Efficiently vents excess steam pressure to protect boiler heat exchangers.
Common Installation Questions
What is the discharge capacity for the Watts 415-3/4-8?
The BTU/hr capacity is determined by the 8 PSI set point and the 3/4 inch orifice size, adhering to ASME standards for steam service.
Can this valve be mounted horizontally?
No, steam relief valves must be installed in a vertical position with the drain line piped to a safe point of discharge to prevent condensate buildup.
Is the Watts 0346038 compatible with hot water boilers?
This specific model is calibrated for low-pressure steam. For hot water heating systems, a standard water relief valve with a higher PSI rating is typically required.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $244.58
-65%$244.58
$85.60Watts 0346038 Valve
The Watts 0346038, also identified as model 415-3/4-8, is a specialized steam safety relief valve engineered for low-pressure steam heating boilers. This 3/4 inch NPT valve features a 8 PSI pressure setting, providing critical overpressure protection in commercial and residential hydronic systems. Constructed with a durable bronze body and a top-guided stem, it ensures precise mechanical alignment and reliable seat reseal after discharge. The high-capacity BTU/hr rating is designed to meet strict ASME Section IV safety standards. For technicians, the large orifice design provides maximum discharge capacity, preventing pressure buildup that can compromise boiler integrity. This NPT threaded valve is a direct replacement for existing Series 415 installations, ensuring seamless integration during system maintenance or boiler retrofits. Utilizing a non-metallic disc-to-metal seat, the unit minimizes leakage and resists chemical corrosion common in steam environments.
Key Technical Benefits
- ASME Section IV Certified: Rated for high-capacity steam discharge to meet rigorous safety codes.
- Heavy-Duty Bronze Construction: Resists dezincification and thermal stress for long-term field reliability.
- 8 PSI Factory Set Point: Specifically calibrated for low-pressure steam applications and system safety.
- Top-Guided Design: Prevents stem tilting to ensure consistent opening and closing cycles.
- High BTU Discharge Capacity: Efficiently vents excess steam pressure to protect boiler heat exchangers.
Common Installation Questions
What is the discharge capacity for the Watts 415-3/4-8?
The BTU/hr capacity is determined by the 8 PSI set point and the 3/4 inch orifice size, adhering to ASME standards for steam service.
Can this valve be mounted horizontally?
No, steam relief valves must be installed in a vertical position with the drain line piped to a safe point of discharge to prevent condensate buildup.
Is the Watts 0346038 compatible with hot water boilers?
This specific model is calibrated for low-pressure steam. For hot water heating systems, a standard water relief valve with a higher PSI rating is typically required.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Watts 0346038, also identified as model 415-3/4-8, is a specialized steam safety relief valve engineered for low-pressure steam heating boilers. This 3/4 inch NPT valve features a 8 PSI pressure setting, providing critical overpressure protection in commercial and residential hydronic systems. Constructed with a durable bronze body and a top-guided stem, it ensures precise mechanical alignment and reliable seat reseal after discharge. The high-capacity BTU/hr rating is designed to meet strict ASME Section IV safety standards. For technicians, the large orifice design provides maximum discharge capacity, preventing pressure buildup that can compromise boiler integrity. This NPT threaded valve is a direct replacement for existing Series 415 installations, ensuring seamless integration during system maintenance or boiler retrofits. Utilizing a non-metallic disc-to-metal seat, the unit minimizes leakage and resists chemical corrosion common in steam environments.
Key Technical Benefits
- ASME Section IV Certified: Rated for high-capacity steam discharge to meet rigorous safety codes.
- Heavy-Duty Bronze Construction: Resists dezincification and thermal stress for long-term field reliability.
- 8 PSI Factory Set Point: Specifically calibrated for low-pressure steam applications and system safety.
- Top-Guided Design: Prevents stem tilting to ensure consistent opening and closing cycles.
- High BTU Discharge Capacity: Efficiently vents excess steam pressure to protect boiler heat exchangers.
Common Installation Questions
What is the discharge capacity for the Watts 415-3/4-8?
The BTU/hr capacity is determined by the 8 PSI set point and the 3/4 inch orifice size, adhering to ASME standards for steam service.
Can this valve be mounted horizontally?
No, steam relief valves must be installed in a vertical position with the drain line piped to a safe point of discharge to prevent condensate buildup.
Is the Watts 0346038 compatible with hot water boilers?
This specific model is calibrated for low-pressure steam. For hot water heating systems, a standard water relief valve with a higher PSI rating is typically required.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
