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The optional additional heater (700W) can be used pre or post the heat recovery unit (a pre heater must be used if Passive House conformance for the heat recovery unit is required) They are used to temper incoming supply air through the heat recovery unit
With circuit protection
mid-profile fitted cap
Flow sensor tube for Zehnder ComfoAir Flex 250/350
adjustable humidistat
Titon XP41062/099 - Control PCB 990 321 768 The optional additional heater (700W)Titon XP41062 099 Control PCB for Model Version HRV1. 25 Q+ TP416B HRV1. 3 Q+ TP474B HRV1. 35 Q+ TP418B HRV1. 6 Q+ TP419B HRV1. 65 Q+ TP420B HRV1. 75 Q+ TP414B HRV2 Q+ TP411B HRV2. 85 Q+ TP417B HRV3 Q+ TP412B HRV10 Q+ TP480B HRV10M Q+ TP481B HRV10. 25 Q+ TP482B HRV10. 25M Q+ TP483B H200 Q+ TP461B TP462B TP463B HRV20 Q+ TP651B