What is the maximum water temperature rating for the V46AM-2

Its durable construction is intended to survive high-cycle thermal environments found in residential air handlers and furnaces

You must install two sensors

and Payne reversing valves

Marley Engineered Products 5813-2018-000 Thermostat 320788-704 What is the maximum waterThe Marley Engineered Products 5813 2018 000 Thermostat is a heavy duty, field installable replacement designed for high demand thermal regulation in commercial and industrial environments. This 2 pole line voltage thermostat is engineered to interface directly with QMark MUH series unit heaters, specifically models MUH35B, MUH35C, and MUH35D, as well as Berko equivalent units. Built for high amperage HVAC controls, this DPST (Double Pole Single