When paired with an AG series actuator

this is a factory-calibrated

Water Hammer Resistance: Unique internal mechanism withstands pressure surges that often damage lesser traps

is a specialized field-service requirement for technicians balancing and maintaining pneumatic HVAC control systems

and American Water Heater for their high-efficiency tank platforms

Resideo Q4100C9044 Hot Surface Ignitor 320734-701 When paired with an AGWhen you are out on a service call and encounter a furnace with a cracked or carbon fouled ignitor, you need a reliable silicon carbide hot surface igniter that drops right in. The Resideo Q4100C9044 is a professional grade 120 Vac replacement engineered for standard gas fired appliances. This 120 volt hot surface ignitor is compatible with both Natural and LP gas systems and is specifically designed to withstand the thermal stresses of repeated