Interchangeable Design: Full functional equivalence between 310137 and 310137/U ensures ease of sourcing for critical repairs

it monitors internal plenum temperatures to protect the heat exchanger from hazardous overheating

This part is the standard 2-5" w

this part provides the specific thermal response curve required to maintain UL safety listings and equipment integrity

Can I use this for 5/16" rods instead of 3/8"

Maxitrol R11110-48 Spring Interchangeable Design: Full functional equivalenceOptimize your gas pressure control with the Maxitrol R11110 48, a high precision orange spring designed for industrial and commercial HVAC gas regulators. This OEM component is specifically engineered for the Maxitrol RV111 and 210G series, providing a stable 4 8" W. C. (Water Column) outlet pressure range. As a veteran technician knows, maintaining the correct spring tension is critical for the balanced valve design of the 210 series, ensuring