![R290 (propane) and R600a (isobutane) as natural refrigerants for residential heat pump water heaters - ScienceDirect R290 (propane) and R600a (isobutane) as natural refrigerants for residential heat pump water heaters - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1359431117335494-gr10.jpg)
R290 (propane) and R600a (isobutane) as natural refrigerants for residential heat pump water heaters - ScienceDirect
![Buy Wholesale China R600a/r290/r1234yf/r600 Light Hydrocarbon Oil Less Explosion Proof Refrigerant Recovery Pump & R600a/r290/r1234yf/r600 Light Hydrocarbon Oil at USD 1800 | Global Sources Buy Wholesale China R600a/r290/r1234yf/r600 Light Hydrocarbon Oil Less Explosion Proof Refrigerant Recovery Pump & R600a/r290/r1234yf/r600 Light Hydrocarbon Oil at USD 1800 | Global Sources](https://p.globalsources.com/IMAGES/PDT/B1156928029/R600A-R290-R1234YF-R600-light-hydrocarbon-oil.jpg)
Buy Wholesale China R600a/r290/r1234yf/r600 Light Hydrocarbon Oil Less Explosion Proof Refrigerant Recovery Pump & R600a/r290/r1234yf/r600 Light Hydrocarbon Oil at USD 1800 | Global Sources
![Amazon.com: Leak Saver Complete R290 and R600A Charging Manifold Hose and Gauge Set with Included K28 (ICOR) Can Tap Valve and Piercing Can Tap - HVAC Tools Kit - Made in The Amazon.com: Leak Saver Complete R290 and R600A Charging Manifold Hose and Gauge Set with Included K28 (ICOR) Can Tap Valve and Piercing Can Tap - HVAC Tools Kit - Made in The](https://m.media-amazon.com/images/I/71v05Cm+uaL.jpg)
Amazon.com: Leak Saver Complete R290 and R600A Charging Manifold Hose and Gauge Set with Included K28 (ICOR) Can Tap Valve and Piercing Can Tap - HVAC Tools Kit - Made in The
![Amazon.com: Leak Saver Complete R290 and R600A Charging Manifold Hose and Gauge Set with Included K28 (ICOR) Can Tap Valve and Piercing Can Tap - HVAC Tools Kit - Made in The Amazon.com: Leak Saver Complete R290 and R600A Charging Manifold Hose and Gauge Set with Included K28 (ICOR) Can Tap Valve and Piercing Can Tap - HVAC Tools Kit - Made in The](https://m.media-amazon.com/images/I/61NDnvlA8TL._AC_UF350,350_QL80_.jpg)
Amazon.com: Leak Saver Complete R290 and R600A Charging Manifold Hose and Gauge Set with Included K28 (ICOR) Can Tap Valve and Piercing Can Tap - HVAC Tools Kit - Made in The
![Coefficient of Performance (COP) versus charge of R290/R600a blend and... | Download Scientific Diagram Coefficient of Performance (COP) versus charge of R290/R600a blend and... | Download Scientific Diagram](https://www.researchgate.net/publication/315437530/figure/fig5/AS:473987538001927@1490018843778/Coefficient-of-Performance-COP-versus-charge-of-R290-R600a-blend-and-134a.png)
Coefficient of Performance (COP) versus charge of R290/R600a blend and... | Download Scientific Diagram
![Mastercool 33524-TP - R600a, R290 & R134a 2-way Brass Manifold Gauge Set with (x3) 24-inch Thermoplastic Capillary Hoses | TEquipment Mastercool 33524-TP - R600a, R290 & R134a 2-way Brass Manifold Gauge Set with (x3) 24-inch Thermoplastic Capillary Hoses | TEquipment](https://res.cloudinary.com/iwh/image/upload/q_auto,g_center/w_auto,e_trim,c_fill,g_auto/assets/1/26/Mastercool33524-TP.jpg)
Mastercool 33524-TP - R600a, R290 & R134a 2-way Brass Manifold Gauge Set with (x3) 24-inch Thermoplastic Capillary Hoses | TEquipment
![Amazon.com: Wisepick R290 and R600A Charging Manifold Hose and Single Gauge Set with 1/2" Acme Can Tap : Automotive Amazon.com: Wisepick R290 and R600A Charging Manifold Hose and Single Gauge Set with 1/2" Acme Can Tap : Automotive](https://m.media-amazon.com/images/I/710BSuxFjpL.jpg)