Key Benefits: Forged Brass Construction: High copper content (65%) prevents fatigue and failure compared to cast alternatives

This kit is proprietary to the Series FHB models

and Nordyne gas furnace units

providing the overhead necessary for large inductive motor starts

The Maxitrol R325E10-1530A is a specialized yellow compression spring designed for field conversion and precise pressure calibration of 325-5 series gas regulators

Honeywell 301572A/0767 Thermostat Key Key Benefits: Forged Brass Construction:The Honeywell 301572A 0767 Thermostat Key is an essential field tool designed for facility managers and HVAC contractors maintaining building security. This replacement thermostat key provides authorized access to locked thermostat covers, preventing unauthorized setpoint adjustments and tampering in commercial environments. Engineered for durability, this key is the direct replacement for standard Honeywell locking covers and is technically identical