Watts 0153614 Valve
The Watts 0153614 (Series 40L-3-150) is a heavy-duty 3/4 inch T&P relief valve engineered for critical temperature and pressure protection in commercial water heating systems. Designed for direct installation into tank tappings, this ASME rated relief valve features a 3-inch thermostat probe with a specialized thermo-bonded coating to resist mineral accumulation and ensure accurate thermal response. With a high-capacity steam discharge rating of 1,437,600 BTU/hr at a 150 psi set point, it provides the necessary safety overhead for large-volume supply tanks. The bronze body construction and automatic reseating design provide reliable performance under rigorous mechanical stress, preventing catastrophic tank failure from runaway firing conditions or thermal expansion. This commercial water heater safety valve also includes a test lever for manual diagnostic checks and tamper-resistant bonnet screws to maintain factory calibration in the field. This model is suitable for non-potable water applications and serves as a vital component for contractors maintaining high-output boiler and heater systems.
Key Benefits- Extreme Capacity Protection: Delivers an ASME pressure steam rating of 1,437,600 BTU/hr, sufficient for high-demand commercial hot water supply tanks.
- Advanced Thermal Sensing: Includes a 3-inch coated thermostat probe that prevents scale buildup, ensuring the valve trips precisely at 210°F (99°C).
- Durable Infrastructure: Heavy bronze construction and stainless steel internal components offer superior resistance to corrosion and mechanical fatigue.
- Operational Efficiency: The automatic reseating feature allows the valve to close once safe levels are restored, minimizing water loss compared to non-reseating safety devices.
- Easy Diagnostics: Integrated manual test lever allows technicians to verify mechanical freedom and clear the waterways during routine maintenance.
What is the difference between the 40L and 40XL models?
The Watts 40L series features a short thermostat probe designed for direct mounting into tank tapings. The 40XL version uses an extended probe for installation in the hot water outlet piping when a direct tank tapping is unavailable.
Is this valve rated for lead-free potable water systems?
No, the 0153614 is a standard bronze model and does not meet current lead-free requirements for potable water service. It is intended for commercial non-potable water systems or heating-only applications where lead-free compliance is not mandatory.
Why is my T&P valve constantly dripping or weeping?
This is often caused by thermal expansion in a closed system. While the 150 psi relief valve is functioning correctly by venting excess pressure, the installation of a thermal expansion tank is typically required to maintain consistent system pressure and prevent premature seat wear.
This item is not eligible for free shipping.
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: $541.54
-65%$541.54
$189.54Watts 0153614 Valve
The Watts 0153614 (Series 40L-3-150) is a heavy-duty 3/4 inch T&P relief valve engineered for critical temperature and pressure protection in commercial water heating systems. Designed for direct installation into tank tappings, this ASME rated relief valve features a 3-inch thermostat probe with a specialized thermo-bonded coating to resist mineral accumulation and ensure accurate thermal response. With a high-capacity steam discharge rating of 1,437,600 BTU/hr at a 150 psi set point, it provides the necessary safety overhead for large-volume supply tanks. The bronze body construction and automatic reseating design provide reliable performance under rigorous mechanical stress, preventing catastrophic tank failure from runaway firing conditions or thermal expansion. This commercial water heater safety valve also includes a test lever for manual diagnostic checks and tamper-resistant bonnet screws to maintain factory calibration in the field. This model is suitable for non-potable water applications and serves as a vital component for contractors maintaining high-output boiler and heater systems.
Key Benefits- Extreme Capacity Protection: Delivers an ASME pressure steam rating of 1,437,600 BTU/hr, sufficient for high-demand commercial hot water supply tanks.
- Advanced Thermal Sensing: Includes a 3-inch coated thermostat probe that prevents scale buildup, ensuring the valve trips precisely at 210°F (99°C).
- Durable Infrastructure: Heavy bronze construction and stainless steel internal components offer superior resistance to corrosion and mechanical fatigue.
- Operational Efficiency: The automatic reseating feature allows the valve to close once safe levels are restored, minimizing water loss compared to non-reseating safety devices.
- Easy Diagnostics: Integrated manual test lever allows technicians to verify mechanical freedom and clear the waterways during routine maintenance.
What is the difference between the 40L and 40XL models?
The Watts 40L series features a short thermostat probe designed for direct mounting into tank tapings. The 40XL version uses an extended probe for installation in the hot water outlet piping when a direct tank tapping is unavailable.
Is this valve rated for lead-free potable water systems?
No, the 0153614 is a standard bronze model and does not meet current lead-free requirements for potable water service. It is intended for commercial non-potable water systems or heating-only applications where lead-free compliance is not mandatory.
Why is my T&P valve constantly dripping or weeping?
This is often caused by thermal expansion in a closed system. While the 150 psi relief valve is functioning correctly by venting excess pressure, the installation of a thermal expansion tank is typically required to maintain consistent system pressure and prevent premature seat wear.
This item is not eligible for free shipping.
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 0153614 (Series 40L-3-150) is a heavy-duty 3/4 inch T&P relief valve engineered for critical temperature and pressure protection in commercial water heating systems. Designed for direct installation into tank tappings, this ASME rated relief valve features a 3-inch thermostat probe with a specialized thermo-bonded coating to resist mineral accumulation and ensure accurate thermal response. With a high-capacity steam discharge rating of 1,437,600 BTU/hr at a 150 psi set point, it provides the necessary safety overhead for large-volume supply tanks. The bronze body construction and automatic reseating design provide reliable performance under rigorous mechanical stress, preventing catastrophic tank failure from runaway firing conditions or thermal expansion. This commercial water heater safety valve also includes a test lever for manual diagnostic checks and tamper-resistant bonnet screws to maintain factory calibration in the field. This model is suitable for non-potable water applications and serves as a vital component for contractors maintaining high-output boiler and heater systems.
Key Benefits- Extreme Capacity Protection: Delivers an ASME pressure steam rating of 1,437,600 BTU/hr, sufficient for high-demand commercial hot water supply tanks.
- Advanced Thermal Sensing: Includes a 3-inch coated thermostat probe that prevents scale buildup, ensuring the valve trips precisely at 210°F (99°C).
- Durable Infrastructure: Heavy bronze construction and stainless steel internal components offer superior resistance to corrosion and mechanical fatigue.
- Operational Efficiency: The automatic reseating feature allows the valve to close once safe levels are restored, minimizing water loss compared to non-reseating safety devices.
- Easy Diagnostics: Integrated manual test lever allows technicians to verify mechanical freedom and clear the waterways during routine maintenance.
What is the difference between the 40L and 40XL models?
The Watts 40L series features a short thermostat probe designed for direct mounting into tank tapings. The 40XL version uses an extended probe for installation in the hot water outlet piping when a direct tank tapping is unavailable.
Is this valve rated for lead-free potable water systems?
No, the 0153614 is a standard bronze model and does not meet current lead-free requirements for potable water service. It is intended for commercial non-potable water systems or heating-only applications where lead-free compliance is not mandatory.
Why is my T&P valve constantly dripping or weeping?
This is often caused by thermal expansion in a closed system. While the 150 psi relief valve is functioning correctly by venting excess pressure, the installation of a thermal expansion tank is typically required to maintain consistent system pressure and prevent premature seat wear.
This item is not eligible for free shipping.
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.
