Simplified Identification: Color-coded red thermal switch housing prevents installation errors with lower-temperature blue or yellow limit counterparts

What is the difference between SPST N/O and SPDT relays

this component ensures exact mechanical fitment and electrical consistency

Reusing a compressed gasket can result in micro-leaks that affect combustion analysis results

Relying on an OEM York limit switch ensures proper fit and precise switch points

Robertshaw 1751-018 Regulator Kit Simplified Identification: Color-coded red thermalThe Robertshaw 1751 018 is a professional grade Natural Gas Regulator Kit engineered specifically for field conversion and pressure stabilization in 7100 and 7200 Series gas valves. This uni line add on pressure regulator provides precise, straight line regulation to maintain a consistent output of 3. 5" WC (Water Column), ensuring optimal manifold pressure for residential and light commercial heating applications. Designed for compatibility with