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Lochinvar 100109448 3/4″ 150# T&P Valve

$61.48 on Amazon.com (as of October 16, 2026, 12:44 PM EST) View details ↗

The **Lochinvar Corporation 100109448** is a high-performance 3/4″ 150# Temperature & Pressure (T&P) Valve designed for commercial and residential hydronic heating systems. Built to meet rigorous industry standards, this valve ensures reliable operation and safety by automatically venting excess pressure and temperature from boilers and water heaters.

Ideal for systems requiring precise control, this valve features a robust construction to handle high BTU outputs, making it suitable for large-scale applications. Its durable design and precise engineering deliver consistent performance, reducing the risk of system failures. Whether used in new installations or retrofits, the Lochinvar 100109448 provides peace of mind with its dependable safety features and long-term reliability.

Size3/4″
Pressure Rating150#
BTU Rating105,000 BTU
ApplicationTemperature & Pressure Relief (T&P) Valve
CompatibilityHydronic Heating Systems (Boilers & Water Heaters)
What systems is this T&P valve designed for?
This valve is specifically engineered for commercial and residential hydronic heating systems, including boilers and water heaters rated up to 105,000 BTU.
How does this valve ensure safety in heating systems?
The valve automatically vents excess pressure and temperature, preventing dangerous buildup and protecting the system from failure.
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