HVAC Shop Blog

Brivis ducted gas heaters are built to last, but when a component fails after years of service, the right replacement part gets the system back on quickly without replacing the whole unit. This guide covers every key replacement part in the Brivis gas ducted heater range: gas valves, burner zip tubes, pressure switches, thermocouples, control boards, and transformers. Includes a full component reference table, cross-brand compatibility guidance for Braemar and Bonaire, and selection criteria for every part type.

Brivis, Braemar, and Bonaire ducted gas heaters share a common engineering platform, which means a significant number of spare parts are interchangeable across all three brands. This guide covers exactly which components cross over, including the N-E6 control board, White Rodgers 24V gas valve, and pressure switches across all Pa ratings, what differs between brands such as heat exchangers and wiring looms, and the only reliable method for confirming compatibility before you order: matching by BS part code.

Ordering the wrong Brivis spare part almost always comes down to one thing — not having the correct part number before placing the order. This step-by-step guide shows you exactly how to find the data plate on your Brivis heater, read BS part codes, confirm gas type (NG vs LPG), identify the correct pressure switch Pa rating, match transformer amperage, and tell the difference between N-E6 control board variants. Get it right the first time.

Surface temperature measurement runs through almost every aspect of HVAC/R service work — from refrigerant charging and compressor diagnostics to coil performance checks and motor overheating detection. Getting it right means using the correct probe type at the right location, with proper contact and insulation. This guide maps the main surface measurement tasks to the probes and techniques that deliver accurate, reliable results in the field.

MAPP (often sold as MAP-Pro) and propane can both braze copper, but they behave differently on real HVAC jobs. This guide breaks down the temperature talk, the real “time-to-temperature” difference, and when paying more for MAP-Pro saves you time and improves joint control—especially on thicker suction lines and windy rooftops.

Aussie guide to the Testo 115i clamp thermometer—wireless pipe temps, safer rooftops, fast superheat/subcooling in the Smart App. Clean PDFs, fewer call-backs.