For water-only V5011 models

When the temperature exceeds the 140-degree threshold

The Maxitrol RV47AL-3/8 is a professional-grade gas appliance pressure regulator engineered for main burner and pilot load applications

M7-M8) with precise timing intervals ranging from 1 to 160 seconds for both "on" and "off" cycles

you know that keeping a system clean and dry is the baseline for preventing mid-summer callbacks

Belimo ZS-CCV-90 Weather Shield 30067439-890 For water-only V5011 modelsThe Belimo ZS CCV 90 Weather Shield is a field installable NEMA 4X rated enclosure specifically engineered to protect Belimo CCV (Characterized Control Valve) actuators from harsh environmental conditions. Designed for compatibility with LF, NF, and AF series actuators, this UV stabilized polycarbonate cover provides a robust barrier against rain, snow, dirt, and UV degradation. It is an essential component for outdoor installations where maintaining