For reliability, performance, flexibility and ease of installation and service in one compact control, Robertshaw's diaphragm/solenoid gas valves are the answer. These controls are single function, diaphragm types and are excellent replacements for solenoid gas valves. Models are available with or without a gas cock, and regulated and nonregulated models are available. Standard features include: pilot outlet, pilot gas filter and pilot adjustment key. Valves can be mounted in any position except upside down. Use 1751-003 to convert valves from L.P. Gas to Natural. Use 1751-013 to convert valves from Natural Gas to L.P. These valves do not have a safety magnet.Made in the USA.