Streamlined Installation: Designed to mount directly to a standard electrical box with 4

protecting your sensitive PENN pressure-actuated controls from erratic readings and premature wear

the Marley 4520-0011-000 is the standard OEM replacement for most Marley MUH-model heaters requiring a 300°F limit

this model is engineered for applications where early detection of flow or no-flow conditions is critical to protecting equipment like chillers or high-efficiency boilers

Key Benefits Exceptional Durability: Heavy-duty cast iron construction ensures reliable performance in demanding environments

Rheem-Ruud SP11798B Thermostat & High Limit R-410A Streamlined Installation: Designed to mountThe Rheem Ruud SP11798B Thermostat & High Limit assembly is a critical OEM replacement component designed for precision temperature regulation and safety in commercial gas water heaters. Built on the Honeywell L8100B series architecture, this kit provides a thermostat adjustment range of 100F to 180F with a tight + 7F tolerance, ensuring consistent thermal output. The integrated high limit switch is factory set to trip at 192F, offering essential over