ensuring the system remains safe and compliant

Precise Calibration: Direct OEM 0130P00086 sensor replacement ensures resistance values match the factory control board parameters

Always verify your boiler's BTU rating and altitude requirements before installation

including KBN399 through KBN800 heating boilers

and WTGO units

Honeywell 4074BWJ Limit Stop ensuring the system remains safeThe Honeywell 4074BWJ is a professional grade Limit Stop Assembly engineered to establish precise setpoint boundaries on Honeywell Pressuretrol controllers. This critical field installable accessory is designed for seamless integration with the L404 Series, L604 Series, L91 Series, and L4079 Series pressure controls. By physically restricting the adjustment range, it prevents over travel and ensures that system operating parameters remain within safe,