What is the purpose of the unidirectional range on this model

this is an automatic reset thermal switch

Key Benefits Dual-Protection Reliability: Combines temperature relief at 210°F and pressure relief at 150 PSI in a single unit

this intermittent pilot ignition valve comes packed with a 3/4" straight flange

250-inch terminals ensure high-continuity connections and reduce labor time during installation

Robertshaw 700-470 Gas Valve R-410A What is the purpose ofThe Robertshaw 700 470 Gas Valve is a rugged, 120V line voltage control engineered for high capacity commercial and industrial heating applications. This 3 4" NPT gas valve features a thermopile magnet and a slotted safety magnet, making it compatible with systems requiring an Energy Cut Off (ECO) switch. Rated for up to 300,000 BTU, it serves as a reliable replacement for standard solenoid gas valves in commercial cooking equipment, fryers, and