the 017-500366 offers a field-proven mechanical temperature controller solution that maintains calibration under demanding operational loads without the drift common in lower-tier alternatives

Enhanced Thermal Durability: The insulation and jacket materials are rated for the high-cycle heat exposure common in top-mounted burner jackets

The Parker 70810 is rated for a Maximum Operating Pressure Differential (MOPD) of 150 PSI for air and water applications

Voltage Compatibility: Precision-wound for 460V 1075 RPM systems

Grundfos 99452454 Pump 320788-702 the 017-500366 offers a field-provenThe Grundfos 99452454, model UP15 10B5 TLC, is a single speed bronze circulator pump engineered for peak efficiency in domestic hot water recirculation and open loop heating systems. Designed for 115V operation, this 1 25 HP pump features a 1 2" sweat connection and an integrated digital timer with battery backup, allowing contractors to optimize system runtime based on specific demand patterns. The canned rotor design ensures the bearings are