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While the NRV 12s is a straightway valve
In high-efficiency combustion systems
making it a go-to for contractors working in schools
The robust construction is designed to handle high RPMs without vibration
Rheem-Ruud 47-20045-02 Limit Switch While the NRV 12s isThe Rheem Ruud 47 20045 02 Limit Switch is a critical safety component designed for high voltage HVAC systems. As a furnace high limit switch, this DPST normally closed switch is engineered to break the electrical circuit if internal plenum temperatures exceed safe operating parameters. This specific model features a 150F fixed open temperature and a 110F fixed close temperature, facilitating an auto reset function once the system cools to a safe