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Does this thermostat require a C-wire (Common)
providing reliable fail-safe performance
While primarily used for water heaters
The 5300-652 is an SPST switch that opens the circuit on temperature rise
This 2-way normally closed valve features 3/8" ODF sweat connections with copper extended ends
Rheem-Ruud SP9012B Valve 321894-708 Does this thermostat require aWhen you're dealing with high output commercial boilers or ultra high efficiency gas water heaters like the Spiderfire or XTREME series, the Rheem Ruud SP9012B Valve is the industry standard for maintaining system integrity. This 1" MxF 150# T&P Valve is engineered to handle a massive 500,000 BTU HR capacity, making it a critical safety component for large scale domestic hot water applications. Built with a heavy duty bronze body, it features a 1 inch