Key Benefits for Contractors: OEM Compatibility: Precision-fit 1/2" bore ensures a secure connection to the motor shaft

allowing the system to adjust motor speed based on real-time demand rather than running at constant velocity

the VAL7494 (also superseding VAL19451 and VAL07494) allows for critical system functions including charging

it can be used in systems with recirculation as long as it is installed on the cold water makeup line before the heater and a proper bypass is utilized for servicing

Its compact design allows for easier installation in tight mechanical spaces and OEM assemblies

Tekmar Controls 070 Outdoor Sensor 323613-751 Key Benefits for Contractors: OEMThe Tekmar Controls 070 Outdoor Sensor is a professional grade 10k ohm NTC thermistor designed for precision temperature monitoring in hydronic and HVAC applications. Engineered for outdoor temperature reset systems, this sensor provides the critical data required for weather responsive control logic, optimizing boiler firing rates and system efficiency. The 070 features an NTC thermistor 10k ohms @ 77F with a Beta of 3892, ensuring linear accuracy