The Mitsubishi WUZ-SA36NMZ 36,000 BTU (3-Ton) Ecodan air-to-water heat pump delivers high-efficiency hydronic heating and cooling for residential and light commercial applications. Featuring advanced inverter technology, it converts outdoor air into hot or chilled water for radiant floor systems, fan coils, and low-temperature baseboards. Ideal for boiler replacement or energy-efficient new construction, this all-electric system offers reliable year-round comfort and reduced operating costs.

Heat Pump Type: Air to Water
Hydrobox Mandatory: yes
BTU Size: 36,000 BTU
Gas Pipe Size: 5/8"
Liquid Pipe Size: 1/4"
Recommended Fuse/Breaker Size, ODU + hydrobox (without
booster heater): 35 AMPS

WUZ-SA36NMZ Air to Water Heat Pump
(Purchase Hydro Box separately)

Heating Water Temperature Range [Minimum / Maximum]: 77F / 158F
Maximum Capacity at A45W95 : 37,190 BTU
COP at A45W95: 4.74
Maximum Capacity at A35W95: 42,310 BTU
COP at A35W95: 3.23
Maximum Capacity at A5W95: 36,510 BTU
COP at A5W95: 2.54
Maximum Capacity at A5W110: 35,150 BTU
COP at A5W110: 1.93
Maximum Capacity at A-4W95: 32,074 BTU
COP at A-4W95: 2.23
Maximum Capacity at A-22W95: 27,297 BTU
COP at A-22W95: 2.03
Cooling Water Temperature Range [Minimum / Maximum]: 41 F/ 77F
Maximum Capacity at A95W45: 31,392 BTU
EER at A95W45: 10.1
Maximum Capacity at A95W65: 40,946 BTU
EER at A95W65: 14.19

• 3-in-1: Hydronic heating,cooling, and domestic hot water
• Auto Changeover: The unit will automatically switch between heating and cooling modes to maintain the set point.
• Boiler Integration : Boiler Integration enables the system to automatically switch from electric heat pump to boiler operation for consistent comfort. The system can also be set to switch based on optimal energy efficiency or ambient temperature.
• High-flow Temperature Performance: Ecodan is capable of delivering hot water up to 158°F outlet water even in low ambient temperatures.
• Hyper Heating: 100% heating capacity down to 5° F with guaranteed heating down to -22° F.
• Quiet Operation (Ecodan): The outdoor unit features ultra quiet operation as low as 41 - 45 db(A) due to an anti-vibration design with insulation around the compressor. The unit also offers a three-stage low-noise mode.
• Refrigerant Split System: A split system with R32 refrigerant

Recommended Fuse/Breaker Size, ODU + hydrobox (without
booster heater): 35 AMPS
Recommended Fuse/Breaker Size, booster heater (requires
separate circuit): 35 AMPS
Airflow Rate Cooling CFM: 1,836
Airflow Rate Heating CFM: 2,189
Sound Pressure Level at A7W55: 45 dB
Unit Dimensions (W x D x H): 41-11/32" x 18-29/32" x 40-15/16"
Unit Weight: 236 lbs
Gas Pipe Size: 5/8"
Liquid Pipe Size: 1/4"
Maximum Piping Length [Reversible System]: 164'
Maximum Piping Length [Heating Only System]: 164'
Maximum Height Difference ft: 100'
Maximum Height Difference, ODU above IDU: 100'
Maximum Height Difference, ODU below IDU: 100'