The 1-1/4" NPT threaded connections and ten-bolt flange design provide the robust seal and structural integrity required for high-capacity steaming applications

5-inch extension is critical for burners where the spark must be positioned further into the combustion chamber to ensure the arc makes contact with the richest part of the gas stream

mitigating the risk of uneven flame patterns or delayed ignition often seen with compromised or aftermarket alternatives

Reduced Mechanical Wear: Enhances bearing life by maintaining proper oil oil-to-refrigerant ratios

Daikin-McQuay 910121753 Temp Controller Refrigerant The 1-1/4" NPT threaded connectionsThe Daikin McQuay 910121753 is a purpose built wall mounted temperature sensor engineered specifically for integration with the MicroTech III (MTIII) unit controller. This is not a standard residential thermostat; it is a high precision 10k ohm thermistor interface designed for water source heat pump (WSHP) applications, including both constant volume (CAV) and variable air volume (VAV) systems. The controller features a critical tenant override